27 results
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Hypopigmentation and ... - Differential Diagnosis ... of hair, eyes, skin ... sclerosis (white "ash ... #Algorithm #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... dermatophytes cause ... skin of inflamed ... type #clinical #photo
Causes of Secondary IgA Nephropathy - Differential Diagnosis Algorithm
 • GI disorders: Celiac disease, Crohn's disease,
Causes of Secondary ... Alcoholic Cirrhosis, NASH ... Viruses: HIV, CMV, Hep ... B and C • Infections ... myeloma, Lymphomas, RCC
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Diagnosis Algorithm ... Herald's atch • Tinea ... #Algorithm #causes
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Scl70 (in some cases ... Scl-70 (in some cases ... conditions - Sp ... #differential #diagnosis ... #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... Ig A vasculitis/HSP ... #Differential #Diagnosis ... #hematology #rheumatology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... lata—on genital, anal ... resembling rashes caused ... #Diagnosis #Clinical ... #Photo #Dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... Differential Diagnosis ... #dermatology #rash ... #diagnosis #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... gyratum repens • A skin ... induratum • A chronic skin ... (HSV + Mycoplasma ... #differential #diagnosis
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... gram-negative bacillus cause ... the key to the diagnosis ... difficult to culture and ... #clinical #photo