11 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome ... #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... • Goodpasture syndrome ... #Dermatologic ... #dermatology #rash
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
develop leukostasis syndrome ... • Tumor lysis syndrome ... lymphoid organs When Cancer ... -> Invade Skin: ... #Hematology #Oncology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... - GPA - EGPA ... #Diagnosis #hematology ... #nonpalpable #dermatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Hyperviscosity Syndrome ... Cryoglobulinemia Syndrome ... cryoglobulinemia syndrome ... 20% Sjögren's syndrome ... - GPA, EGPA, microscopic
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
rashErythematous ... dermatomyositis, Sjogren syndrome ... lymphoma • Evans' syndrome ... lymphoproliferative syndrome ... Shrinking lung syndrome
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Sweet Syndrome ... dermatosis (Sweets Syndrome ... Sweet syndrome ... #diagnosis #dermatology ... #oncology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... Mucocutaneous lymph node syndrome ... : • Behçet Syndrome ... • Cogan Syndrome ... • ANCA (Dx: GPA
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Globulin - Protein Gap ... gammopathy, and skin ... changes (POEMS syndrome ... gastric tumors • Hematology ... #diagnosis #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Mucocutaneous lymph node syndrome ... MPO > PR3 60/ GPA ... • Behcet syndrome ... • Cogan syndrome