A 35-year-old woman notices a change in the appearance of a mole on her neck. Physical examination reveals that the lesion is an irregular, nodular, superficial mass with a variegated appearance. Biopsy demonstrates a primary malignant tumor. Which of the following factors is most predictive of the patient's long term prognosis? A. Circumference of lesion B. Darkness of lesion C. Degree of color variation D. Depth of lesion E. Sharpness of border between lesion and adjacent skinAnswerTags: MCQ, Dermatology, Melanoma
PSORIATIC ARTHROPATHY IS ASSOCIATED WITH THE FOLLOWING FEATURES A. a preceding history of skin lesions in the majority of patients.B. non-involvement of the distal interphalangeal joints.C. subcutaneous nodules.D. the presence of eye lesions in the majority of patients.E. the development of some evidence of joint involvement in the majority of patients with psoriasis.AnswerTags: MCQ, Dermatology, Psoriasis
DITHRANOL A. is indicated for rapidly spreading prosaic lesions.B. in prolonged usage is associated with an increase in the incidence of skin malignancies.C. "short contact" therapy has been shown to be less effective than conventional treatment.D. is contra-indicated if potent steroids have been used in the previous 14 days.AnswerTags: MCQ, Dermatology, Dithranol
WHEN ADVISING PATIENTS ABOUT EXPOSURE TO SUN, THE FOLLOWING ARE TRUE A. solar keratoses never progress to malignancy.B. solar keratoses are commoner in dark skinned people.C. chronic sun exposure leads to loss of skin elasticity.D. basal cell carcinoma never metastasise.E. sunburn typically develops within 2 hours of exposure.Tags: MCQ, Dermatology, Solar, Keratoses
Urticaria all are true except Topical drugs are ineffective in the treatment of urticaria because of the intact epidermis Joint effusions are a recognised association Oral provocation tests are not useful in deciding on treatment H2-receptor antagonists may be helpful when conventional anti-histamines fail The older, more sedating, antihistamines are more effective in controlling symptoms than terfenadineAnswerTags: MCQ, Dermatology, Urticaria