135 Questions
What is the prophylactic treatment of choice for a patient with eczema and hypersensitivity during summer vacation?
Phototherapy
What substance is the likely cause of eczema due to shoes in a patient?
Mercaptobenzothiazole
What is the likely cause of allergy in a patient related to slipper allergy?
Mercaptobenzothiazole
What is the likely cause of eyelid eczema in a patient?
Tosylamide formaldehyde resin
Which of the following is a likely cause of foot allergy in a patient?
Carbamix
What may cause allergy in the lip or palm from lip stick (balsam of beru)?
Cinnamon oil
What is the next investigation for a female with shortness of breath and Raynaud’s phenomenon (systemic sclerosis)?
High resolution CT scan
If a myxoid cyst is found, what is the associated condition?
Osteoarthritis
What is the treatment for interstitial granuloma (Rope sign) associated with non-erosive arthritis (rheumatologic disease)?
HCQ
In a patient on oral steroids, what dose may cause a false negative patch test for allergic dermatitis?
30 mg
What is the investigation for a patient with necrobiosis lipidoca?
Blood sugar
Which preservative component has the lowest incidence of hypersensitivity?
Paraben
For a male patient with a 7 m erythematous lesion on the arm, what should be performed to determine sensitivity to an allergen?
Steroid Skin patch test
(picture of back of patient with circles) this patient is sensitive to which allergen on number 9 with erythema on it?
(picture of back of patient with circles) this patient is sensitive to which allergen on number 9 with erythema on it: a. Polyester.
Which substance is most likely to cause allergy (oozing & itching) in the scalp from hair dye?
Phenylenediamine
Which substance is associated with contact dermatitis in a male patient who applies sunscreen and complains of erythema signs all over the face except around the eyes?
Oxybenzone
Which of the following sunscreens has an absorption spectrum primarily in the UVA range?
Parsol 1789 (butyl dibenzoyl methane)
In atopic dermatitis, which interleukin (IL) is commonly associated with the condition?
IL 13
Which drug can cause hemolysis in a patient?
Silver sulfadiazine
In a patient sensitive to Ethylenediamine, which antihistamine should they avoid using?
Hydroxyzine
In the treatment of chronic hand eczema, which medication is commonly used?
Alitretinoin
In a patient with Netherton syndrome, what is a common manifestation?
Food allergy
In a patient with tuberous xanthoma (bilateral nodules on Achilles tendon), what investigation is most appropriate?
Cholesterol level testing
In a patient with second-degree burns, which dressing may cause hypersensitivity?
Silver sulfadiazine
In a patient with erythematous plaque on the upper arm and crustation, what investigation is needed?
Fungal scraping to rule out fungal infection
In a patient with seborrheic dermatitis, diarrhea, and recurrent infections, what complement deficiency is commonly associated with this presentation?
C5
In a patient with angioedema without wheal, what is the best screening test for Hereditary angioedema (HAE)?
C4 level
What is the likely cause of eyelid eczema in a patient?
Tosylamide formaldehyde resin
In a patient with erythematous plaque on the upper arm and crustation, what investigation is needed?
Skin biopsy
What substance is most likely to cause allergy (oozing & itching) in the scalp from hair dye?
4-tert-butylphenol formaldehyde resin
Which substance is associated with contact dermatitis in a male patient who applies sunscreen and complains of erythema signs all over the face except around the eyes?
Potassium dichromate
In a patient with second-degree burns, which dressing may cause hypersensitivity?
Silver sulfadiazine cream
For a male patient with a 7 cm erythematous lesion on the arm, what should be performed to determine sensitivity to an allergen?
$Patch testing$
In a patient on oral steroids, what dose may cause a false negative patch test for allergic dermatitis?
$40 mg/day$
What may cause allergy in the lip or palm from lip stick (balsam of beru)?
Cinnamon oil
Which drug can cause hemolysis in a patient?
Hydroxychloroquine
What is the likely cause of foot allergy in a patient?
Antimold sachet
In a patient with tuberous xanthoma (bilateral nodules on Achilles tendon), what investigation is most appropriate?
Lipid profile and liver enzymes
What is the most effective sunblock against UVA?
Oxybenzone / avobenzone
In a patient with photosensitivity sparing the upper eyelid, what type of photopatch test would be performed?
UVA
Which sunscreen has an absorption spectrum primarily in the UVA range?
Parsol 1789 (butyl dibenzoyl methane)
When should peanuts be introduced to an atopic infant with atopic parents?
24 weeks as early as possible
In atopic dermatitis, which interleukin (IL) is commonly associated with the condition?
IL 13
In a patient with rash developed hypersensitivity after anesthesia, which substance should they avoid using?
Vecuronium
What is the treatment for chronic hand eczema?
Acitretin
"Mastocytosis mutation in which axon?"
(codon 816) axen 17/C(KIT)
"Asymptomatic generalized nodules with atrophic center & talengectasia on the upper and lower limbs", what is the likely diagnosis?
Lupus panniculitis
"Picture of baby's back having erythematous patch", which drug may cause this?
"Cefaclor"
"Baby with brown macules on the trunk increase with crying and rubbing (urticarial pigmentosa)", which drug may increase it?
"Dextromethorphan"
What is the most likely cause of generalized itching and hyperpigmentation similar to LP in a patient with renal failure?
Steroid
What is the most appropriate investigation for a female with shortness of breath and Raynaud’s phenomenon (systemic sclerosis)?
High resolution CT scan
What may cause a false negative patch test for allergic dermatitis in a patient on oral steroids?
20 mg
If a myxoid cyst is found, what is the associated condition?
Osteoarthritis
What is the investigation needed for a patient with necrobiosis lipoidica?
Blood sugar
In a patient with a yellow plaque in his leg with telangiectasia and the same lesion on the chest, what investigation is needed? (Necrobiosis lipoidica)
Blood sugar
(Picture of hyperkeratotic nail slightly bending downward - parrot peak and no myxoid cyst) What association would be expected if a myxoid cyst is found?
Rheumatoid arthritis
What would be the most common manifestation in a patient with Netherton syndrome?
Seborrheic dermatitis
In a male patient with 7 m erythematous lesion on the arm self-limited like neurodermatitis or eczema, which investigation would be appropriate to determine sensitivity to an allergen?
Steroid skin patch test
What is the lowest incidence of hypersensitivity from a preservative component?
Paraben
Which substance is most likely to cause allergy in the scalp from hair dye?
Methyl-chloroisothiazolinone
What may cause allergy in the lip or palm from lipstick (balsam of Peru)?
Paraben
What is the most effective sunblock against UVA?
Parasol 1789 butyl dibenzoyl methane
In a patient with photosensitivity sparing the upper eyelid, what type of photopatch test would be performed?
UVA
What makes up the majority of the protein envelope of keratinocytes?
Filaggrin
Which substance is associated with contact dermatitis in a male patient who applies sunscreen and complains of erythema signs all over the face except around the eyes?
Oxybenzene
For a male patient with a 7 cm erythematous lesion on the arm, what should be performed to determine sensitivity to an allergen?
Patch test
In a patient with angioedema without wheal, what is the best screening test for Hereditary angioedema (HAE)?
Normal C1 inh level with decreased function
(Photo of the baby 8 months with Netherton syndrome) - what manifestation is common?
Food allergy
What investigation is needed for a patient with necrobiosis lipoidica?
Blood sugar
What is the likely cause of foot allergy in a patient?
Osteoarthritis if myxoid cyst is found
Which substance is most likely to cause allergy in the scalp from hair dye?
Quaternium
In a patient with photosensitivity sparing the upper eyelid, what type of photopatch test would be performed?
Asymptomatic Photo
What may cause a false negative patch test for allergic dermatitis in a patient on oral steroids?
$20 mg$
"Baby with brown macules on the trunk increase with crying and rubbing (urticarial pigmentosa)", which drug may increase it?
Pentoxyphiline
Which medication should be prophylactically used for a patient complaining of rash every summer vacation due to eczema and hypersensitivity?
Hydroxychloroquine
In the case of eczema due to shoes, which substance is most likely to be the cause?
Mercaptobenzothiazole
What is the likely cause of allergy from lip palm or lipstick (balsam of beru)?
4-tert-butylphenol formaldehyde resin
In a patient with Gonorrhea and perihepatitis, what syndrome is this indicative of?
Fitz-Hugh–Curtis syndrome
When asking about the type of complement in a case of lip edema, what would be the most appropriate test?
C4
If a patient develops rash due to hypersensitivity after anesthesia, which substance should they avoid using?
Antimold sachet
Which preservative component has the lowest incidence of hypersensitivity?
Dimethyl fumerate
(Picture of back of patient with circles) If this patient is sensitive to which allergen on number 9 with erythema on it?
Mercapto mix
Which sunscreen has an absorption spectrum primarily in the UVA range?
Phototherapy 1
What substance is most likely to cause allergy (oozing & itching) in the scalp from hair dye?
Thiuram mix
What investigation is needed for a patient with necrobiosis lipoidica?
Skin biopsy
What would be the most common manifestation in a patient with Netherton syndrome?
Scalp oozing and itching from hair dye allergy
What is the prophylactic treatment of choice for a patient with eczema and hypersensitivity during summer vacation?
Phototherapy
In a case of eyelid eczema, which substance is most likely to be the cause?
Tosylamide formaldehyde resin
If a patient develops foot allergy, which substance is most likely to be the cause?
4-tetra butyl formaldehyde resin
In a case of allergy from lip or palm due to lip stick (balsam of beru), what would be the most appropriate investigation?
Fluorescein stain
In a case of angioedema without wheal, what would be the best screening test for Hereditary angioedema (HAE)?
C4 level
If a patient develops rash due to hypersensitivity after anesthesia, which substance should they avoid using?
4-tert-butylphenol formaldehyde resin
Which investigation is most appropriate for a patient with necrobiosis lipoidica?
Skin biopsy
What is the best screening test for Hereditary angioedema (HAE) in a patient with angioedema without wheal?
Complement level test
In a male patient with erythematous lesion self-limited like neurodermatitis or eczema, what investigation would be appropriate to determine sensitivity to an allergen?
Photo patch test
Which substance has the lowest incidence of hypersensitivity as a preservative component?
Paraben
What dressing may cause hypersensitivity in a patient with second-degree burns?
Alginate dressing
Which interleukin (IL) is commonly associated with atopic dermatitis?
IL-4
In a patient with photosensitivity sparing the upper eyelid, what type of photopatch test would be performed?
UVA photopatch test
"Picture of hyperkeratotic nail slightly bending downward (parrot peak and no myxoid cyst)", what is the likely association if a myxoid cyst is found?
"Osteoarthritis"
Which substance is most likely to cause allergy (oozing & itching) in the scalp from hair dye?
Phenylenediamine
In a patient with angioedema without wheal, what is the best screening test for Hereditary angioedema (HAE)?
Normal C1 esterase inhibitor (C1-INH) level
Which sunscreen has an absorption spectrum primarily in the UVA range?
Parsol 1789 (butyl dibenzoyl methane)
In a male patient with 7 cm erythematous lesion on the arm self-limited like neurodermatitis or eczema, which investigation would be appropriate to determine sensitivity to an allergen?
Patch test
Which substance is associated with contact dermatitis in a male patient who applies sunscreen and complains of erythema signs all over the face except around the eyes?
Oxybenzone
In a case of eyelid eczema, which substance is most likely to be the cause?
Balsam of Peru
"Asymptomatic generalized nodules with atrophic center & talengectasia on the upper and lower limbs", what is the likely diagnosis?
Lupus panniculitis
Which is the prophylactic treatment of choice for a patient with eczema and hypersensitivity during summer vacation?
Hydroxychloroquine
What substance is most likely to cause allergy (oozing & itching) in the scalp from hair dye?
Mercaptobenzothiazole
If a patient develops rash due to anesthesia hypersensitivity, which substance should they avoid using?
Potassium dichromate
What may cause allergy in the lip or palm from lipstick (balsam of Peru)?
Cinnamon oil
If a patient presents with eyelid eczema, what is the likely cause?
Tosylamide formaldehyde resin
In a case of angioedema without wheal, what would be the best screening test for Hereditary angioedema (HAE)?
C4 level
What is the most effective sunblock against UVA?
Oxybenzone / avobenzone
Which one of the following sunscreens has an absorption spectrum primarily in the UVA range?
Parsol 1789 (butyl dibenzoyl methane)
In a patient with photosensitivity sparing the upper eyelid, what type of photopatch test would be performed?
UVA
Patient suffering from itchy papules every summer reaching the beach, how to prevent?
Hydroxychloroquine
Atopic infant of atopic parents, when to introduce peanuts?
24 weeks as early as possible if 4m it is ok too
Which substance is most likely to cause allergy (oozing & itching) in the scalp from hair dye?
Phenylenediamine
(Picture of baby's back having erythematous patch) - What drug may cause this?
Cefaclor
(Picture of tenia amentitia in scalp) - What diagnosis would be expected?
(T. capitis)
(Hardness of the upper back of the patient) - What is likely to be elevated?
(IgG kappa)
In a patient with hemolysis, what drug can cause it?
Silver sulfadiazine
The majority of protein envelop of keratinocyte is made up of which component?
Filaggrin
In familial SLE, what complement deficiency is associated?
C1
What is the next step in management for a female patient with shortness of breath and Raynaud’s phenomenon (systemic sclerosis)?
High resolution CT scan
In a patient with hyperkeratotic nail slightly bending downward (parrot peak and no myxoid cyst), which association is most likely if a myxoid cyst is found?
Osteoarthritis
What is the treatment for interstitial granuloma (Rope sign) associated with non-erosive arthritis (rheumatologic disease)?
Dapsone
What dose of steroids may cause a false negative patch test for allergic dermatitis?
30 mg
In a patient with yellow plaque in the leg with telangiectasia and the same lesion on the chest, what investigation is needed? (Necrobiosis lipoidica)
Blood sugar
Which substance has the lowest incidence of hypersensitivity from a preservative component?
Paraben
In a male patient with a 7 cm erythematous lesion on the arm, what should be performed to determine sensitivity to an allergen?
Symptomatic photo patch test
(Photo of the baby 8 months with Netherton syndrome) - what manifestation is common?
Diarrhea and recurrent infections
(Picture of back of patient with circles) If this patient is sensitive to which allergen on number 9 with erythema on it?
(Polyester)
Which preservative component has the lowest incidence of hypersensitivity?
Paraben
Test your knowledge about the prophylactic treatments for eczema and hypersensitivity, including phototherapy, B-carotene, hydroxychloroquine, and steroids. Identify the substances causing eczema due to shoes and slipper allergies based on the provided descriptions and images.
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