General Surgery — Flashcards

Flashcard 211: What are other causes of erythema multiforme? 5

Answer: • Idiopathic • Bacteria (Mycoplasma, Streptococcus) • Connective Tissue Disease (SLE) • Sarcoidosis • Malignancy

Flashcard 212: What is the first-line management for Scalp Seborrheic Dermatitis?

Answer: • Ketoconazole 2% Shampoo

Flashcard 213: What is the most common cause of erythema multiforme?

Answer: • Herpes Simplex Virus

Flashcard 214: What drugs can exacerbate psoriasis? 6

Answer: • Beta blockers • Lithium • Antimalarials (chloroquine & hydroxychloroquine) • NSAIDs • ACE inhibitors • Infliximab

Flashcard 215: What is the management for Pemphigoid Gestationis?

Answer: Oral corticosteroids

Flashcard 216: How does Pemphigoid Gestationis present?

Answer: Pruritic, urticarial plaques and vesicles/bullae that typically begin in the periumbilical region.

Extra: Pemphigoid gestationis (herpes gestationis) is a rare autoimmune bullous dermatosis of pregnancy. It often presents in the 2nd or 3rd trimester. Unlike PEP (Pruritic Urticarial Papules and Plaques of Pregnancy), it involves the umbilicus. Diagnosis is confirmed by skin biopsy (direct immunofluorescence showing linear C3/IgG along the basement membrane).

Flashcard 217: How does Erythema Multiforme present?

Answer: • Target lesions • Initially seen on the back of the hands / feet before spreading to torso • pruritis ocassionally but mild

Flashcard 218: What is Hidradenitis Suppurativa?

Answer: • Painful Inflammatory nodules, pustules, sinus tracts and scars in intertriginous regions. •

Flashcard 219: How does Central Retinal Vein Occlusion present?

Answer: • Sudden unilateral painless loss of vision

Flashcard 220: What can uncommonly cause Eczema Herpeticum?

Answer: Coxsackie Virus