46 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... : - Ig A (HSP) ... Disease • Cogan syndrome ... #skin #dermatology ... #rheumatology #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... /HSP • Cryoglobulinemia ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
EBV, CMV), Acute HIV ... diseases, Toxic shock syndrome ... , DRESS, Sweet syndrome ... , Vasculitis SCVMC ... Differential #Diagnosis #dermatology
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Summary MCP and PIP ... Tunnel, Sicca Syndrome ... Disease, Rheumatoid Vasculitis ... Instability, Felty's Syndrome ... RA #diagnosis #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Quinidine • HIT ... Non-lmmune: • HELLP Syndrome ... HUS • DIC • Vasculitis ... Algorithm #Causes #Hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome ... • Vasculitis ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... • Nonmalignant hematologic ... Rheumatologic, Vasculitides ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... • Goodpasture syndrome ... #Dermatologic ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
myelodysplastic syndrome ... dermatosis: Sweet's syndrome ... leukocytoclastic vasculitis ... myelodysplastic #syndrome ... differential #diagnosis #dermatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
predispose to other orthopedic ... common sites: hip ... , shoulder ... diagnosis #causes #hematology