842 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Framework for Hair Loss ... Localized / Focal Hair Loss ... Tinea Capitis, Trichotillomania ... Diffuse Hair Loss ... male pattern hair loss
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Localized Hair Loss ... capitis • Trichotillomania
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... capitis • Trichotillomania
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
Patterned hair loss ... inflammation; scales Trichotillomania
This trichobezoar was extracted from a teenage patient with trichotillomania (hair-pulling disorder) & trichophagia (compulsive hair-eating).
teenage patient with trichotillomania ... surgery #extraction #trichotillomania
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Obsessive-Compulsive & Related Disorders - Differential Diagnosis Algorithm

Non-Specific Obsessions and/or Compulsions
 - Obsessive Compulsive Disorder -
Appearance - Trichotillomania
Black and Bloody Stools - Melena and Hematochezia
Melena - Refers to passage of black, tarry (sticky
Involves loss ... Less commonly, when ... slow, blood loss ... or anus; much less ... stools; blood loss
Scleritis, Episcleritis Pearls
-Scleritis is characterized by significant pain, pain with eye movement, vision loss, and vessels
movement, vision loss ... Episcleritis is typically less ... with no vision loss
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
Principal patterns of loss ... lesion: sensory loss ... and ipsilateral loss ... and temperature loss ... dorsal column loss
Muehrcke's Lines (Leukonychia striata)
Narrow while transverse lines (Not depressed, compared to Beau's lines). Usually 2 or
increase protein loss ... hypoalbunemia (usually less