33 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Etiology: • Vascular ... Disruptions in vascular ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Vascular System ... TeIangiectasia Vascular ... • Steroids • Vasculitis ... #Hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Hypersensitivity vasculitis ... Sarcoidosis #dermatology ... #joint #pain #skin ... 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 ... surfaces of the joints ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... Avascular necrosis ... Pain #SickleCell #Disease ... #hematology
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
cryoglobulinemia vasculitis ... - Diagnosis, causes ... involvement - Joint ... with refractory disease ... #Rheumatology #
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
), RA, crystal disease ... Non-bloody: OA, avascular ... Inflammatory, crystalline disease ... Like in this case ... #rheumatology #
THE LIMPING OR NON-WEIGHT BEARING CHILD PATHWAY

RED FLAGS - In all cases there are specific
markers which
FLAGS - In all cases ... suspicion of severe disease ... splenomegaly, abnormal neurology ... Rheumatology ... discrepancy, multiple joint
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
Uveitis or retinal vasculitis ... , medium-large joints ... ) • Vascular lesions ... and peripheral vascular ... Diagnosis #criteria #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
PT, aPTT(liver disease ... (CVID, WAS), (neurologic ... bypass), LFT (liver disease ... or if a primary hematologic ... #Workup #hematology