12 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... nummular eczema, tinea ... #photo #PhysicalExam
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... Tip: To differentiate ... later confirmed by skin ... #clinical #photo ... #dermatology #HSP
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... vasculitis • Henoch Schönlein ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

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

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
disease or more commonly ... reticularis Differential ... EGPA • Henoch-Schönlein ... #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? ... rubrum is most commonly ... skin of inflamed ... #foot #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... with site, (e.g„ tinea ... #rash #differential ... #diagnosis #skin ... #common #distribution
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
or trunk most commonly ... • Most commonly ... include: infections (HSV ... comparison #table #differential ... #diagnosis #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
present • Henoch Schonlein ... Drug Associated (Commonly ... Associated: (± 100 % Commonly ... mucositis - Rash ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Kidney disease common ... #Rheumatology