Hair and Nail Disorders — Flashcards

Nail plate pitting in alopecia areata is of the _____ and regular type

_____ are the preferred treatment for limited patchy alopecia areata, with injections typically repeated every 4–6 weeks.

Muehrcke's lines on nails are specific for _____ and is due to pathology in the nail bed

At the end of _____ phase, epithelial cell division declines and ceases, and the hair follicle enters an involutionary phase known as catagen.

Loss of hair _____ months after an event of physiological stress points towards a diagnosis of telogen effluvium

Mnemonic for causes of scarring alopecia: **SF2L3P** S: _____ F: Favus and Kerion (Inflammatory Tinea capitis) F: Folliculitis decalvans L: Lichen planopilaris L: Lupus vulgaris L: Lupus erythematosus - discoid (DLE) P: Pseudopelade of Brocq

Causes for non-scarring alopecia (Mnemonic: **THATS STDT**): - _____ (Non-inflammatory: grey patch and black dot types) - **H**ormonal: Hypothyroidism, Androgenetic alopecia - Anagen effluvium - Alopecia areata - Trichotillomania - Secondary syphilis (moth-eaten alopecia) - SLE (Predominantly non-scarring; can also cause scarring alopecia) - Telogen effluvium - **D**eficiency of Zinc and Iron

Catagen phase of hair cycle lasts for about _____

What is the characteristic pattern of nail pitting seen in alopecia areata?_____

_____ or 20 nail dystrophy, is seen in lichen planus