11 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... reticularis Differential ... vasculitis (inflamed blood ... #dermatology #rash
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... meningitidis - Varicella ... Ig A vasculitis/HSP ... #nonpalpable #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... cryoglobulins • Skin ... #Differential # ... #dermatology #physicalexam
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... Moccasin tinea pedis skin ... Variety #type #clinical ... #photo #foot #dermatology
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... Tip: To differentiate ... later confirmed by skin ... #clinical #photo ... #dermatology #HSP
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... of shoulder and hip ... , mucositis • Rash ... MPO > PR3 60/ GPA ... tract, and often causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Deep vesicles • Allergic ... often painful) • Varicella ... - Trunk - Red, blood-filled ... ; pruritis #dermatology ... #rash #differential
Monkeypox

What?
Monkeypox virus belongs to the family Poxviridae, subfamily Chordopoxvirinae, and genus orthopoxvirus
Viral zoonotic disease that is
Characteristic Rash ... three weeks Clinical ... involved DDX: Varicella ... MPOX #Diagnosis #Management ... #Dermatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Allergic reaction ... maculopapular rash ... infections with skin ... Transfusion #diagnosis #management ... #hematology #reactions
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
- Allergic ... maculopapular rash ... infections with skin ... Transfusions #diagnosis #management ... #hematology #reactions