9 results
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Focal / Localized ... - Secondary to Skin ... Secondary syphilis #HairLoss ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... Case description ... presents with localized ... hallucis longus Differential ... osteochondral lesion
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
stress FOCAL / LOCALIZED ... - Secondary to Skin ... Diffuse #Focal #HairLoss ... #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... papules on wrists/ankles ... Papulosquamous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... disease Pustular Localised ... #Lesions #Differential ... #Diagnosis #Dermatology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... for Hair Loss Localized ... texture at bald spots ... #Diagnosis #dermatology ... #Hairloss
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... Lyme in early localized ... classic targetoid lesions ... comparison #table #differential ... #diagnosis #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Stasis dermatitis - Ankles ... dermatitis - Anywhere - Localized ... planus - Wrists, ankles ... ; pruritis #dermatology ... #rash #differential
Morel-Lavallée Lesion - MSK Radiology
Imaging Findings:
 • Large, smoothly marginated, well-circumscribed mass along the medial myofascial
- MSK Radiology ... defined acute angle ... Case description ... separation of the skin ... Differential diagnosis