120 Questions
What is the typical location of fungal skin infections?
On areas of the body where excess moisture accumulates
What is a common symptom of fungal skin infections?
Itching and pain
How are fungal skin infections typically treated?
With nonprescription astringents, antifungals, and nondrug measures to keep the area clean and dry
What is the cause of fungal skin infections?
Superficial fungal infection
What is the typical onset of fungal skin infections?
Variable onset
What is the typical presentation of contact dermatitis?
A variety of lesions, including raised wheals and fluid-filled vesicles
What is the typical quantity/severity of fungal skin infections?
Usually localized to one region of the body but can spread
What is the typical presentation of tinea pedis?
Four accepted variants, which may overlap
What is a common symptom of tinea capitis, in addition to fever and pain?
Higher degree of pruritus
What is the characteristic of tinea cruris that can help distinguish it from candidiasis?
Sparing of the penis and scrotum
What is the characteristic appearance of the black dot variety of tinea capitis?
Black dots on the scalp surface
What is a potential complication of untreated favus variant of tinea capitis?
Scalp atrophy and scarring
What is the characteristic of acute lesions in tinea cruris?
They are bright red
What is the characteristic of pityriasis versicolor on dark skin?
Hypopigmented areas
What is the causative agent of tinea cruris in the 54-year-old man mentioned in the case study?
T. rubrum
What is the typical distribution of lesions in pityriasis versicolor?
Concentrated on the chest, shoulders, and back
What is the characteristic of non-inflammatory tinea capitis?
It begins as small papules surrounding individual hair shafts
What is the characteristic of hairs in tinea capitis lesions?
They are dull gray and break off above the scalp level
What is the cause of pityriasis versicolor?
Yeasts of the Malassezia genus
What is the characteristic of kerions in tinea capitis?
They are weeping lesions whose exudate forms thick crusts on the scalp
What is the typical treatment for pityriasis versicolor?
Topical treatment
What is another name for pityriasis versicolor?
Tinea versicolor
What is the term for the infection that causes lesions in the groin area, especially in males?
Tinea cruris
How many variant patterns can tinea capitis present as?
Four
The black dot variety of tinea capitis is characterized by the appearance of infected areas of the scalp with white dots.
False
Favus variant of tinea capitis typically presents as patchy areas of hair loss and scaly plaques.
True
Pityriasis versicolor is a type of tinea capitis.
False
The lesions of pityriasis versicolor are typically found on the face and distal extremities.
False
The favus variant of tinea capitis can lead to permanent hair loss if left untreated.
True
The black dot variety of tinea capitis is the most common type of tinea capitis.
False
Tinea versicolor is caused by a type of bacteria.
False
Pityriasis versicolor is characterized by hyperpigmented scaly patches on dark skin.
False
Tinea capitis can produce a kerion formation in the inflammatory type.
True
Favus is a variant of tinea capitis that presents with a black dot appearance.
False
Pityriasis versicolor is a type of fungal skin infection that affects the scalp.
False
Tinea versicolor is another name for pityriasis versicolor.
True
The non-inflammatory type of tinea capitis produces a spectrum of inflammation, ranging from pustules to kerion formation.
False
The lesions in tinea capitis always break off at the scalp level.
False
Tinea capitis can present with only one variant pattern.
False
Kerions are characteristic of the non-inflammatory type of tinea capitis.
False
Favus variant of tinea capitis is a potential complication of untreated tinea pedis.
False
Black dot variant of tinea capitis is characterized by a black dot appearance on the scalp.
True
Pityriasis versicolor is a type of fungal skin infection that affects the scalp.
False
Tinea pedis has four accepted variants, including tinea capitis and tinea cruris.
False
Tinea capitis is a type of fungal skin infection that affects the feet.
False
Pityriasis versicolor is also known as tinea versicolor.
True
Favus variant of tinea capitis is a complication of untreated tinea cruris.
False
Tinea capitis can present as multiple variants, including black dot and favus.
True
What is the characteristic appearance of the black dot variety of tinea capitis, and what causes it?
The black dot variety of tinea capitis is characterized by the appearance of infected areas of the scalp with black dots, which is caused by the location of arthrospores on the hair shaft, leading to breakage of hairs at the level of the scalp.
What is the favus variant of tinea capitis, and what are the potential complications if left untreated?
The favus variant of tinea capitis typically presents as patchy areas of hair loss and scutula (yellowish crusts and scales), and if left untreated, can lead to secondary bacterial infections, scalp atrophy, scarring, and permanent hair loss.
What are the typical characteristics of pityriasis versicolor, and what promotes its expression?
Pityriasis versicolor is characterized by hyper- and hypopigmented scaly patches, and its expression is promoted by heat and humidity.
What is the difference in the appearance of pityriasis versicolor on dark and light skin?
On dark skin, the lesions of pityriasis versicolor often appear as hypopigmented areas, while on light skin, they are slightly erythematous or hyperpigmented.
What is the causative agent of pityriasis versicolor?
Pityriasis versicolor is caused by yeasts of the Malassezia genus.
What is the typical distribution of lesions in pityriasis versicolor?
The typical lesions of pityriasis versicolor consist of oval scaly macules, papules, and patches concentrated on the chest, shoulders, and back, but only rarely on the face or distal extremities.
What is the difference between tinea capitis and pityriasis versicolor?
Tinea capitis is a fungal infection that affects the scalp, while pityriasis versicolor is a fungal infection that affects the skin, typically on the chest, shoulders, and back.
What is the significance of regional lymph node enlargement in tinea capitis?
Regional lymph node enlargement in tinea capitis indicates a more severe infection and may be associated with a higher degree of pruritus and other systemic symptoms.
What is the characteristic of hairs in lesions of non-inflammatory tinea capitis?
Dull gray color and usually break off above the scalp level.
What is the characteristic of kerions in tinea capitis?
Weeping lesions whose exudate forms thick crusts on the scalp.
What is the typical presentation of pityriasis versicolor?
Hyperpigmented scaly patches on dark skin.
What is the characteristic of the black dot variety of tinea capitis?
Infected areas of the scalp appear with white dots.
What is the potential complication of untreated favus variant of tinea capitis?
Permanent hair loss.
What is the characteristic of tinea capitis that can produce a kerion formation?
Inflammatory type.
What is another name for pityriasis versicolor?
Tinea versicolor.
How many variant patterns can tinea capitis present as?
Four.
What is the characteristic of the lesions in tinea capitis that can help distinguish it from other skin infections?
The lesions in tinea capitis are characterized by a spectrum of inflammation, ranging from pustules to kerion formation.
How does the favus variant of tinea capitis typically present?
The favus variant of tinea capitis typically presents as patchy areas of hair loss and scaly plaques.
What is the characteristic appearance of the black dot variety of tinea capitis?
The black dot variety of tinea capitis is characterized by the appearance of infected areas of the scalp with black dots.
What is the characteristic of pityriasis versicolor on dark skin?
Pityriasis versicolor is characterized by hyperpigmented scaly patches on dark skin.
How does tinea pedis clinically present?
Tinea pedis has four accepted variants, which may overlap.
What is pityriasis versicolor?
Pityriasis versicolor is a type of fungal skin infection that affects the skin, characterized by hyperpigmented scaly patches.
What is the characteristic of kerions in tinea capitis?
Kerions are characteristic of the inflammatory type of tinea capitis.
What is the typical treatment for pityriasis versicolor?
The typical treatment for pityriasis versicolor is not specified in the provided content.
Tinea capitis may present as one of four variant patterns, depending on the causative ______.
dermatophyte
In non-inflammatory tinea capitis, hairs in the lesions are a dull ______ color and usually break off above the scalp level.
gray
The inflammatory type of tinea capitis produces a spectrum of inflammation, ranging from pustules to ______ formation.
kerion
Pityriasis versicolor is a type of fungal skin infection that affects the ______.
skin
Tinea versicolor is another name for ______.
pityriasis versicolor
Pityriasis versicolor is characterized by ______ scaly patches on dark skin.
hyperpigmented
The favus variant of tinea capitis can lead to ______ hair loss if left untreated.
permanent
The black dot variety of tinea capitis is characterized by the appearance of infected areas of the scalp with ______ dots.
white
Tinea pedis has four accepted ______ of the disease.
variants
Favus variant of tinea capitis can lead to ______ hair loss if left untreated.
permanent
Pityriasis versicolor is characterized by ______ scaly patches on dark skin.
hyperpigmented
Tinea capitis can produce a ______ formation in the inflammatory type.
kerion
Tinea versicolor is another name for ______.
pityriasis versicolor
The black dot variant of tinea capitis is characterized by the appearance of infected areas of the scalp with ______ dots.
white
Favus is a variant of tinea capitis that presents with a ______ dot appearance.
black
Tinea capitis is a type of fungal skin infection that affects the ______.
scalp
In addition to fever and pain, individuals with this type of ______ may experience a higher degree of pruritus.
tinea capitis
The black dot variety of ______ was named for the appearance of infected areas of the scalp.
tinea capitis
The location of arthrospores on the hair shaft causes hairs to break off at the level of the scalp, leaving ______ dots on the scalp surface.
black
The favus variant of ______ typically presents as patchy areas of hair loss and scutula.
tinea capitis
______ versicolor is also known as tinea versicolor.
Pityriasis
On dark skin the lesions of ______ versicolor often appear as hypopigmented areas.
pityriasis
The typical lesions of ______ versicolor consist of oval scaly macules, papules, and patches concentrated on the chest, shoulders, and back.
pityriasis
Tinea versicolor is caused by ______ of the Malassezia genus.
yeasts
Match the following characteristics with the correct type of fungal skin infection:
Localized to one region of the body = Fungal Skin Infections Caused by superficial fungal infection = Fungal Skin Infections Affects areas of exposed skin = Contact Dermatitis Presents as hyperpigmented scaly patches on dark skin = Pityriasis Versicolor
Match the following types of fungal skin infections with their characteristic presentation:
Tinea Pedis = Four accepted variants Tinea Capitis = Presents as patchy areas of hair loss and scaly plaques Pityriasis Versicolor = Hyperpigmented scaly patches on dark skin Favus = Black dot appearance on the scalp
Match the following types of fungal skin infections with their characteristic cause:
Tinea Pedis = Superficial fungal infection Tinea Capitis = Superficial fungal infection Pityriasis Versicolor = Fungal infection Favus = Superficial fungal infection
Match the following types of fungal skin infections with their characteristic location:
Tinea Pedis = Feet Tinea Capitis = Scalp Pityriasis Versicolor = Anywhere on the body Favus = Scalp
Match the following types of fungal skin infections with their characteristic treatment:
Tinea Pedis = Nondrug measures to keep the area clean and dry Tinea Capitis = Topical antipruritics Pityriasis Versicolor = Topical antifungals Favus = Prescription antibiotics
Match the following types of fungal skin infections with their characteristic symptom:
Tinea Pedis = Itching and pain Tinea Capitis = Itching and pain Pityriasis Versicolor = Irritation and pain Favus = Itching and pain
Match the following types of fungal skin infections with their characteristic distribution:
Tinea Pedis = Localized to one region of the body Tinea Capitis = Localized to one region of the body Pityriasis Versicolor = Anywhere on the body Favus = Localized to one region of the body
Match the following types of fungal skin infections with their characteristic complications:
Tinea Pedis = None Tinea Capitis = Kerion formation Pityriasis Versicolor = None Favus = Permanent hair loss
Match the following characteristics to the correct type of tinea capitis:
Black dot variety = Hairs break off at the level of the scalp, leaving black dots on the scalp surface Favus variant = Patchy areas of hair loss and scaly plaques Non-inflammatory type = Minimal to extensive hair loss, inflammation, and scaling Inflammatory type = Kerion formation
Match the following characteristics to the correct type of pityriasis versicolor:
Dark skin = Hypopigmented areas Light skin = Slightly erythematous or hyperpigmented areas Typical distribution = Chest, shoulders, and back Causative agent = Yeasts of the Malassezia genus
Match the following consequences to the correct type of tinea capitis:
Favus variant = Permanent hair loss if left untreated Black dot variety = Scalp atrophy and scarring Inflammatory type = Secondary bacterial infections Non-inflammatory type = No serious complications
Match the following terms to the correct type of fungal skin infection:
Tinea capitis = Infection of the scalp Tinea versicolor = Another name for Pityriasis Versicolor Pityriasis versicolor = Infection of the skin, not the scalp Favus = A variant of Tinea Capitis
Match the following characteristics to the correct type of tinea capitis:
Black dot variety = Higher degree of pruritus Favus variant = Enlarged regional lymph nodes Non-inflammatory type = Minimal to extensive hair loss, inflammation, and scaling Inflammatory type = Kerion formation and fever
Match the following characteristics to the correct type of pityriasis versicolor:
Typical lesions = Oval scaly macules, papules, and patches Distribution = Chest, shoulders, and back Causative agent = Yeasts of the Malassezia genus Appearance on dark skin = Hypopigmented areas
Match the following characteristics to the correct type of tinea capitis:
Favus variant = Patchy areas of hair loss and scaly plaques Black dot variety = Infected areas of the scalp with black dots Non-inflammatory type = Minimal to extensive hair loss, inflammation, and scaling Inflammatory type = Kerion formation and fever
Match the following characteristics to the correct type of pityriasis versicolor:
Typical treatment = Topical treatment Causative agent = Yeasts of the Malassezia genus Distribution = Chest, shoulders, and back Appearance on light skin = Slightly erythematous or hyperpigmented areas
Match the following types of tinea capitis with their characteristic appearances:
Non-inflammatory = Small papules surrounding individual hair shafts with little inflammation Inflammatory = Pustules to kerion formation Favus = Patchy areas of hair loss and scaly plaques Black Dot = Infected areas of the scalp with white dots
Match the following fungal skin infections with their typical locations:
Tinea cruris = Medial and upper parts of the thighs and the pubic area Tinea capitis = Scalp Tinea pedis = Feet Pityriasis versicolor = Trunk and proximal extremities
Match the following fungal skin infections with their characteristics:
Tinea cruris = Bilateral with significant pruritus and fine scaling Tinea capitis = Lesions begin as small papules surrounding individual hair shafts Pityriasis versicolor = Hyperpigmented scaly patches on dark skin Favus = Patchy areas of hair loss and scaly plaques
Match the following fungal skin infections with their causes:
Tinea cruris = T. rubrum Tinea capitis = Dermatophyte Pityriasis versicolor = Malassezia furfur Favus = Trichophyton schoenleinii
Match the following fungal skin infections with their complications:
Tinea capitis = Kerion formation Favus = Permanent hair loss if left untreated Pityriasis versicolor = No complications mentioned Tinea cruris = Pain during periods of sweating or maceration
Match the following fungal skin infections with their appearances:
Pityriasis versicolor = Hyperpigmented scaly patches Tinea cruris = Welldemarcated margins with erythema and central sparing Tinea capitis = Small papules surrounding individual hair shafts Favus = Patchy areas of hair loss and scaly plaques
Match the following fungal skin infections with their other names:
Pityriasis versicolor = Tinea versicolor Tinea capitis = Ringworm of the scalp Favus = No other name mentioned Tinea cruris = No other name mentioned
Match the following fungal skin infections with their characteristics of hairs:
Tinea capitis = Dull gray color and break off above the scalp level Tinea cruris = No characteristic of hairs mentioned Pityriasis versicolor = No characteristic of hairs mentioned Favus = No characteristic of hairs mentioned
Study Notes
Tinea Capitis
- Fever, pain, and a higher degree of pruritus may accompany tinea capitis
- Regional lymph nodes may be enlarged
- Black dot variety: hairs break off at the scalp level, leaving black dots on the scalp surface
- Hair loss, inflammation, and scaling can range from minimal to extensive
- Favus variant: patchy areas of hair loss, scutula (yellowish crusts and scales), and potential secondary bacterial infections, scalp atrophy, scarring, and permanent hair loss
Pityriasis Versicolor (Tinea Versicolor)
- Characterized by hyper- and hypopigmented scaly patches
- Lesions often appear as hypopigmented areas on dark skin, and erythematous or hyperpigmented on light skin
- Expression of infection is promoted by heat and humidity
- Typical lesions: oval scaly macules, papules, and patches on the chest, shoulders, and back
- Caused by yeasts of the Malassezia genus
- Topical treatment usually sufficient, unless extensive involvement, recurrent infections, or failure of topical therapy
Tinea Cruris
- More common in males, occurring on the medial and upper parts of the thighs and pubic area
- Lesions have well-demarcated margins, elevated slightly, and are more erythematous than the central area
- Small vesicles may be seen, especially at the margins
- Acute lesions are bright red, and chronic cases have a more hyperpigmented appearance
- Fine scaling is usually present, with significant pruritus
- Lesions usually spare the penis and scrotum, helping to distinguish from candidiasis
Tinea Capitis (continued)
- Clinically, tinea capitis may present as one of four variant patterns, depending on the causative dermatophyte
- Non-inflammatory type: small papules surrounding individual hair shafts, spreading centrifugally
- Inflammatory type: produces a spectrum of inflammation, ranging from pustules to kerion formation
Differentiation of Fungal Skin Infections and Skin Disorders
- Fungal skin infections: localized to areas with excess moisture, such as feet, groin, scalp, and under arms
- Fungal skin infections: present with malodorous, thickened skin, acute vesicular rash, or fine scaling with varying degrees of inflammation
- Fungal skin infections: symptoms include itching and pain
Tinea Pedis
- Clinically, tinea pedis has four accepted variants, which may overlap
- Not specified in the provided text, but may be included in further study
Tinea Capitis
- Fever, pain, and a higher degree of pruritus may accompany tinea capitis
- Regional lymph nodes may be enlarged
- Black dot variety: hairs break off at the scalp level, leaving black dots on the scalp surface
- Hair loss, inflammation, and scaling can range from minimal to extensive
- Favus variant: patchy areas of hair loss, scutula (yellowish crusts and scales), and potential secondary bacterial infections, scalp atrophy, scarring, and permanent hair loss
Pityriasis Versicolor (Tinea Versicolor)
- Characterized by hyper- and hypopigmented scaly patches
- Lesions often appear as hypopigmented areas on dark skin, and erythematous or hyperpigmented on light skin
- Expression of infection is promoted by heat and humidity
- Typical lesions: oval scaly macules, papules, and patches on the chest, shoulders, and back
- Caused by yeasts of the Malassezia genus
- Topical treatment usually sufficient, unless extensive involvement, recurrent infections, or failure of topical therapy
Tinea Cruris
- More common in males, occurring on the medial and upper parts of the thighs and pubic area
- Lesions have well-demarcated margins, elevated slightly, and are more erythematous than the central area
- Small vesicles may be seen, especially at the margins
- Acute lesions are bright red, and chronic cases have a more hyperpigmented appearance
- Fine scaling is usually present, with significant pruritus
- Lesions usually spare the penis and scrotum, helping to distinguish from candidiasis
Tinea Capitis (continued)
- Clinically, tinea capitis may present as one of four variant patterns, depending on the causative dermatophyte
- Non-inflammatory type: small papules surrounding individual hair shafts, spreading centrifugally
- Inflammatory type: produces a spectrum of inflammation, ranging from pustules to kerion formation
Differentiation of Fungal Skin Infections and Skin Disorders
- Fungal skin infections: localized to areas with excess moisture, such as feet, groin, scalp, and under arms
- Fungal skin infections: present with malodorous, thickened skin, acute vesicular rash, or fine scaling with varying degrees of inflammation
- Fungal skin infections: symptoms include itching and pain
Tinea Pedis
- Clinically, tinea pedis has four accepted variants, which may overlap
- Not specified in the provided text, but may be included in further study
Tinea Capitis
- Fever, pain, and a higher degree of pruritus may accompany tinea capitis
- Regional lymph nodes may be enlarged
- Black dot variety: hairs break off at the scalp level, leaving black dots on the scalp surface
- Hair loss, inflammation, and scaling can range from minimal to extensive
- Favus variant: patchy areas of hair loss, scutula (yellowish crusts and scales), and potential secondary bacterial infections, scalp atrophy, scarring, and permanent hair loss
Pityriasis Versicolor (Tinea Versicolor)
- Characterized by hyper- and hypopigmented scaly patches
- Lesions often appear as hypopigmented areas on dark skin, and erythematous or hyperpigmented on light skin
- Expression of infection is promoted by heat and humidity
- Typical lesions: oval scaly macules, papules, and patches on the chest, shoulders, and back
- Caused by yeasts of the Malassezia genus
- Topical treatment usually sufficient, unless extensive involvement, recurrent infections, or failure of topical therapy
Tinea Cruris
- More common in males, occurring on the medial and upper parts of the thighs and pubic area
- Lesions have well-demarcated margins, elevated slightly, and are more erythematous than the central area
- Small vesicles may be seen, especially at the margins
- Acute lesions are bright red, and chronic cases have a more hyperpigmented appearance
- Fine scaling is usually present, with significant pruritus
- Lesions usually spare the penis and scrotum, helping to distinguish from candidiasis
Tinea Capitis (continued)
- Clinically, tinea capitis may present as one of four variant patterns, depending on the causative dermatophyte
- Non-inflammatory type: small papules surrounding individual hair shafts, spreading centrifugally
- Inflammatory type: produces a spectrum of inflammation, ranging from pustules to kerion formation
Differentiation of Fungal Skin Infections and Skin Disorders
- Fungal skin infections: localized to areas with excess moisture, such as feet, groin, scalp, and under arms
- Fungal skin infections: present with malodorous, thickened skin, acute vesicular rash, or fine scaling with varying degrees of inflammation
- Fungal skin infections: symptoms include itching and pain
Tinea Pedis
- Clinically, tinea pedis has four accepted variants, which may overlap
- Not specified in the provided text, but may be included in further study
Tinea Capitis
- Fever, pain, and a higher degree of pruritus may accompany tinea capitis
- Regional lymph nodes may be enlarged
- Black dot variety: hairs break off at the scalp level, leaving black dots on the scalp surface
- Hair loss, inflammation, and scaling can range from minimal to extensive
- Favus variant: patchy areas of hair loss, scutula (yellowish crusts and scales), and potential secondary bacterial infections, scalp atrophy, scarring, and permanent hair loss
Pityriasis Versicolor (Tinea Versicolor)
- Characterized by hyper- and hypopigmented scaly patches
- Lesions often appear as hypopigmented areas on dark skin, and erythematous or hyperpigmented on light skin
- Expression of infection is promoted by heat and humidity
- Typical lesions: oval scaly macules, papules, and patches on the chest, shoulders, and back
- Caused by yeasts of the Malassezia genus
- Topical treatment usually sufficient, unless extensive involvement, recurrent infections, or failure of topical therapy
Tinea Cruris
- More common in males, occurring on the medial and upper parts of the thighs and pubic area
- Lesions have well-demarcated margins, elevated slightly, and are more erythematous than the central area
- Small vesicles may be seen, especially at the margins
- Acute lesions are bright red, and chronic cases have a more hyperpigmented appearance
- Fine scaling is usually present, with significant pruritus
- Lesions usually spare the penis and scrotum, helping to distinguish from candidiasis
Tinea Capitis (continued)
- Clinically, tinea capitis may present as one of four variant patterns, depending on the causative dermatophyte
- Non-inflammatory type: small papules surrounding individual hair shafts, spreading centrifugally
- Inflammatory type: produces a spectrum of inflammation, ranging from pustules to kerion formation
Differentiation of Fungal Skin Infections and Skin Disorders
- Fungal skin infections: localized to areas with excess moisture, such as feet, groin, scalp, and under arms
- Fungal skin infections: present with malodorous, thickened skin, acute vesicular rash, or fine scaling with varying degrees of inflammation
- Fungal skin infections: symptoms include itching and pain
Tinea Pedis
- Clinically, tinea pedis has four accepted variants, which may overlap
- Not specified in the provided text, but may be included in further study
Tinea Capitis
- Fever, pain, and a higher degree of pruritus may accompany tinea capitis
- Regional lymph nodes may be enlarged
- Black dot variety: hairs break off at the scalp level, leaving black dots on the scalp surface
- Hair loss, inflammation, and scaling can range from minimal to extensive
- Favus variant: patchy areas of hair loss, scutula (yellowish crusts and scales), and potential secondary bacterial infections, scalp atrophy, scarring, and permanent hair loss
Pityriasis Versicolor (Tinea Versicolor)
- Characterized by hyper- and hypopigmented scaly patches
- Lesions often appear as hypopigmented areas on dark skin, and erythematous or hyperpigmented on light skin
- Expression of infection is promoted by heat and humidity
- Typical lesions: oval scaly macules, papules, and patches on the chest, shoulders, and back
- Caused by yeasts of the Malassezia genus
- Topical treatment usually sufficient, unless extensive involvement, recurrent infections, or failure of topical therapy
Tinea Cruris
- More common in males, occurring on the medial and upper parts of the thighs and pubic area
- Lesions have well-demarcated margins, elevated slightly, and are more erythematous than the central area
- Small vesicles may be seen, especially at the margins
- Acute lesions are bright red, and chronic cases have a more hyperpigmented appearance
- Fine scaling is usually present, with significant pruritus
- Lesions usually spare the penis and scrotum, helping to distinguish from candidiasis
Tinea Capitis (continued)
- Clinically, tinea capitis may present as one of four variant patterns, depending on the causative dermatophyte
- Non-inflammatory type: small papules surrounding individual hair shafts, spreading centrifugally
- Inflammatory type: produces a spectrum of inflammation, ranging from pustules to kerion formation
Differentiation of Fungal Skin Infections and Skin Disorders
- Fungal skin infections: localized to areas with excess moisture, such as feet, groin, scalp, and under arms
- Fungal skin infections: present with malodorous, thickened skin, acute vesicular rash, or fine scaling with varying degrees of inflammation
- Fungal skin infections: symptoms include itching and pain
Tinea Pedis
- Clinically, tinea pedis has four accepted variants, which may overlap
- Not specified in the provided text, but may be included in further study
This quiz covers the symptoms of tinea capitis, including fever, pain, pruritus, and enlarged lymph nodes, as well as the characteristics of the black dot variety.
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