Dermatology

Correct Answer - C Ans. C. Hard Chancre Characteristics of various different types of genital ulcers - Primary syphilis (hard chancre) :- punched out, painless, nonbleeding(avascular) ulcer with 6rm induration. Donovanosis :- one or more, painless, bleeding (vascular) ulcers with induration. Chancroid (soft chancre):- multiple, painful, bleeding (vascular)ulcers with no or soft induration. LGV: - single, painless, non-bleeding ulcer. Herpes genitalis: - multiple painful/asymptomatic ulcers. @dermatology_vid

Correct Answer - D Ans. D. Lichen planus LP is characterized by shiny, violaceous, flat-topped polygonal papules which retain the skin lines. White lines, known as Wickham's striae, may traverse the surface of the papules. Linear lesions often appear along scratch marks or in scars (Koebner phenomenon). In most cases, the papules eventually flatten after a 6 months to 2 yrs, often to be replaced by an area of hyperpigmentation. @dermatology_vid

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Correct Answer - B Ans. B. Reverse Koebner's phenomenon Annular orange skin lesions in a diabetic indicate towards granuloma annulare. There have been few reports of disappearance of lesions after biopsy in granuloma annulare. This phenomenon is known as reverse Koebner's phenomenon. @dermatology_vid