38 results
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... • Androgenetic alopecia ... facial hair) • Alopecia ... Brocq • Alopecia ... capitis • Trichotillomania
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Localized Hair Loss (Alopecia ... Brocq • Alopecia ... capitis • Trichotillomania ... • Traction alopecia ... Absent • Alopecia
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
: • Scarring Alopecia ... Frontal fibrosing alopecia ... • Non-Scarring Alopecia ... Nail pitting), Alopecia ... Tinea Capitis, Trichotillomania
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
Nonscarring Alopecias ... Distribution: generalized Alopecia ... multifocal - Total alopecia ... inflammation; scales Trichotillomania ... frontoparietal scalps #Alopecia
Secondary Disseminated Syphilis

Case from my residency that @EstradaElJefe helped me publish in JGIM. One important finding
is the patchy alopecia ... Photo #SkinRash #Alopecia
This trichobezoar was extracted from a teenage patient with trichotillomania (hair-pulling disorder) & trichophagia (compulsive hair-eating).
teenage patient with trichotillomania ... surgery #extraction #trichotillomania
Obsessive-Compulsive & Related Disorders - Differential Diagnosis Algorithm

Non-Specific Obsessions and/or Compulsions
 - Obsessive Compulsive Disorder -
Appearance - Trichotillomania
TACROLIMUS - Side Effects Mnemonic

Tremor 
Alopecia 
Cardiovascular (HTN) 
Renal insufficiency 
Oncologic (Skin Cancer) 
Lipids (hyperlipidemia) 
Insulin
Mnemonic Tremor Alopecia
Primary Dermatologic Nail Disorders - Differential Diagnosis Algorithm
Nail Plate - Pitting
 • Psoriasis
 • Alopecia Areata
Nail
Psoriasis • Alopecia
Colchicine Toxicity 
Naturally-occurring plant alkaloid [Autumn Crocus and Glory Lilly]
2-24 hrs 
 • Severe GI distress
• Transient alopecia