12 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... leakage of RBC's secondary ... deficiency • Liver ... vasculitis - GPA ... #nonpalpable #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... subcutaneous nodules • Livedo ... reticularis Differential ... Nasopharyngeal carcinoma
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
vessels • Nodules, livedo ... Identification of causes ... vasculitis (5%): PAN > GPA ... lesions #diagnosis #clinical ... pathology #lesions #differential
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diffuse and Focal) Differential ... Diagnosis Algorithm ... Diffuse #Focal #HairLoss ... #Alopecia #dermatology ... #causes
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Diagnosis Algorithm ... acuminata) • Secondary ... Squamous cell carcinoma ... #skinlesions #dermatology ... #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... Systemic and Primary Causes ... Pruritus #primary #secondary ... #generalized #dermatology ... #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Diagnosis Algorithm ... in primary or secondary ... #Causes #dermatology
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Diagnosis Algorithm ... syphilis #HairLoss ... Focal #Localized #dermatology ... #Differential # ... #causes
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... discoloration) • Liver ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Oral / Mouth Lesions and Ulcers (Adult & Elderly) - Differential Diagnosis Algorithm

Teeth
 • GERD (Dissolves
Diagnosis Algorithm ... polyangiitis (GPA ... Squamous Cell Carcinoma ... Change • Chronic Liver ... #Causes