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FMGE 2017 — Dermatology

Q: Microsporum involves:

Skin and hair. ***Skin and hair*** - *Microsporum* species are **dermatophytes** that commonly cause superficial fungal infections - They have a particular predilection for keratinized tissues like **skin and hair**, leading to conditions such as **tinea capitis** (scalp ringworm) and **tinea corporis** (body ringworm) - This is the characteristic pattern for *Microsporum* species including *M. canis*, *M. audouinii*, and *M. gypseum* *Skin and nails* - While *Microsporum* can affect the skin, its involvement with **nails (onychomycosis)** is extremely rare - Nail infections are typically associated with **Trichophyton rubrum** or **T. mentagrophytes**, not *Microsporum* *Hair and nails* - **Nail involvement** is not a characteristic of *Microsporum* infections - The main sites of infection are hair and smooth skin, not nails *Skin, hair and nails* - Including **nails** as a site for *Microsporum* is inaccurate; its primary targets are skin and hair only - While some dermatophytes (like *Trichophyton*) can affect all three tissues, *Microsporum* has specific tropism for skin and hair [Practice more Dermatology PYQs on OnCourse]

1 Previous Year Questions with Answers & Explanations

Questions

All Subjects Anatomy (10)Biochemistry (4)Community Medicine (2)Dental (1)Dermatology (1)Internal Medicine (14)Microbiology (2)Obstetrics and Gynecology (3)Ophthalmology (2)Orthopaedics (2)Pathology (5)Pediatrics (2)Pharmacology (16)Physiology (5)Psychiatry (6)Radiology (1)Surgery (2)

Microsporum involves: