20 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... - Differential diagnosis ... nummular eczema, tinea ... rosea #clinical #dermatology ... #photo #PhysicalExam
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
of hair, eyes, skin ... sclerosis (white "ash ... versicolor (more commonly ... #dermatology #Differential ... #causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
disease or more commonly ... GPA causes disease ... Maculopapular rash ... #rash #diagnosis ... #rheumatology
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 ... #foot #dermatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... chest (in a V-sign ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
Somalia, had similar skin ... infection of the scalp commonly ... ringworm, was diagnosed ... #clinical #photo ... #NEJM #tinea #capitis
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
eosinophilia (common ... organ-specific signs ... symptoms (eg, skin ... #Differential #diagnosis ... #hematology #eosinophilia
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Auspitz sign, Koebner's ... Herald's atch • Tinea ... #Algorithm #causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... commonly characterize ... The signs and symptoms ... #Diagnosis #Clinical ... #Photo #Dermatology
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
- This iron causes ... brown tint of the rash ... eczematous features • Mild ... #differential #diagnosis ... #dermatology