13 results
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Generalized itchy rash ... with rheumatic pain ... Skin #Lesions #Differential ... #Diagnosis #Dermatology
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Schonlein Purpura (HSP ... , IgA Vasculitis ... now abdominal pain ... clinical #photo #dermatology ... #skin #rash #physicalexam
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... , Disseminated HSV ... Sweet syndrome, Vasculitis ... Diagnosis #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Rash • Human ... infection Malar rash ... Hypersensitivity vasculitis ... Sarcoidosis #dermatology ... #rashes #differential
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... Purpura, papules, pustules ... (5%): PAN > GPA ... #dermpath #dermatology ... pathology #lesions #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... lesions • Severe pain ... #Differential # ... Algorithm #Causes #dermatology ... #physicalexam
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Maculopapular rash ... burning sensation or pain ... reticularis Differential ... #rash #diagnosis
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
predispose to other orthopedic ... common sites: hip ... • Differentiate ... SickleCell #Disease #differential ... diagnosis #causes #hematology
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... Tip: To differentiate ... Purpura #Legs #Rash ... clinical #photo #dermatology ... #HSP
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
of necrotizing vasculitis ... neonatorum • Pustular ... that smear of the pustular ... comparison #table #differential ... #diagnosis #dermatology