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Question . 1. Erythema nodosum, an erythematous, nodular, often pretibial

rash, is associated with all of the following except:

Inflammatory bowel disease

Pseudotumor cerebri

Explanation: Erythema nodosum in itself is not a disease

but is associated with many infections (e.g., group A

streptococcal infection, tuberculosis, Yersinia infection,

histoplasmosis, coccidioidomycosis) and inflammatory

states (e.g., inflammatory bowel disease, systemic lupus

erythematosus, juvenile rheumatoid arthritis, sarcoidosis)

and may occur after administration of drugs (e.g.,

sulfonamides, phenytoin, oral contraceptives). (See

Chapter 143 in Nelson Textbook of Pediatrics, 17th ed.)

Sarcoidosis

Yer sinia

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