Podcast
Questions and Answers
What is a macule?
What is a macule?
- Flat, colored spot on the skin (correct)
- Accumulation of epithelium
- Large blister containing a watery fluid
- Small, solid, raised lesion on the surface of the skin
What is a papule?
What is a papule?
Small, solid, raised lesion on the surface of the skin
What does a patch refer to in dermatology?
What does a patch refer to in dermatology?
- A solid mass greater than a papule
- Open area of skin resulting from loss of epidermis
- A small, clear, fluid-filled blister
- A flat, discolored area on the skin larger than a macule (correct)
Define a plaque.
Define a plaque.
What is a vesicle?
What is a vesicle?
What is a bulla?
What is a bulla?
What does a pustule contain?
What does a pustule contain?
What is a scale in dermatology?
What is a scale in dermatology?
Define crust in medical terms.
Define crust in medical terms.
What is erosion in dermatology?
What is erosion in dermatology?
What is a petechia?
What is a petechia?
What does urticaria refer to?
What does urticaria refer to?
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Study Notes
Common Skin Lesions Terminology
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Macule: A flat, colored spot on the skin indicating a localized change in pigmentation; often referred to as a birthmark.
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Papule: A small, solid, raised lesion on the skin's surface; commonly associated with conditions such as warts and acne.
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Patch: A larger, flat, discolored area on the skin, surpassing the size of a macule; often seen in conditions like vitiligo.
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Plaque: A solid formation larger than a papule, confined to the skin surface; frequently observed in ailments like eczema.
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Vesicle: A small blister filled with clear fluid; serves as a common symptom in various skin conditions.
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Bulla (Bullae): A large blister that contains watery fluid; differs from vesicles due to its increased size.
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Pustule: A type of vesicle filled with pus; commonly seen in inflammatory skin disorders.
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Scale: Refers to the accumulation of epithelial cells on the skin surface, indicative of certain skin pathologies.
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Crust: Often recognized as a scab; formed from the drying of serum, blood, or pus, serving as a protective scab over wounds.
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Erosion: Defined as an open area of skin resulting from the loss of part or all of the epidermis; can be seen in infections like herpes.
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Petechia: A small, nonblanchable red or purple spot appearing on the skin due to bleeding; often resembles a bruise.
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Urticaria: Also known as hives; a skin condition featuring itchy, red, and elevated lesions caused by localized swelling.
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