13 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
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - ... Diagnostic Algorithm ... : - Catch-all term ... sulfa-drug - Skin ... #Dermatology #Rash
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Afebrile, non-ill ... twitter.com/BirksMD #Maculopapular ... Macules #Papules #Rash ... #Algorithm #Diagnosis ... #Dermatology #Skin
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Purpura seen in Henoch ... Vasculitis) 55 year old ... Vasculitis #clinical #photo ... #dermatology #skin ... #rash #physicalexam
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... vasculitis • Henoch ... gangrenosum • IBD ... Sarcoidosis #dermatology ... #differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
lesions (9.4%) • Maculopapular ... rash (6.7%) • ... Differential Diagnosis ... polyangiitis • EGPA • Henoch-Schönlein ... #rash #diagnosis
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... 45 years old, seen ... later confirmed by skin ... #clinical #photo ... #dermatology #HSP
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... covering the foot, hence ... skin of inflamed ... #foot #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... infection - RMSF - Henoch ... cryoglobulins • Skin ... Algorithm #Causes #dermatology ... #physicalexam
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
Newborn- A 3-week-old ... Somalia, had similar skin ... ringworm, was diagnosed ... #clinical #photo ... #ringworm #derm