Basics & Morphology of Skin Lesions · NEET PG Preparation Dermatology
A dermatological examination reveals a linear, hollowed-out, eroded area of the epidermis resulting from a patient forcibly scratching an intensely i…
Practice question from Basics & Morphology of Skin Lesions (NEET PG Preparation Dermatology), with the correct answer and a step-by-step solution.
medium · MCQ · Q-FFA506
A dermatological examination reveals a linear, hollowed-out, eroded area of the epidermis resulting from a patient forcibly scratching an intensely itchy bite. This specific secondary lesion is best termed:
- A.Fissure
- B.Ulcer
- C.ExcoriationCorrect answer
- D.Erosion
Solution
An excoriation is a linear or punctate abrasion of the epidermis caused by mechanical trauma, typically scratching. An erosion is a moist, circumscribed loss of only the epidermis that heals without scarring, whereas an ulcer involves deeper loss extending into the dermis or subcutis.
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