10 results
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
granulomatosis - microscopic ... Churg-Strauss syndrome ... induced by chronic ... - Sjögren syndrome ... Vessels #Diagnosis #Rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Peripheral Smear ... hematologic: Acute blood ... , Vasculitides, ... Kawasaki, Nephrotic syndrome ... • Infections: Chronic
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Peripheral Smear ... Marrow Failure • Chronic ... abnormal under a microscope ... smear • Bone marrow ... #oncology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... Eosinophilia, asthma, chronic ... Large Vessel: Blood ... Dx: GPA, EGPA, microscopic ... differential #diagnosis #rheumatology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
smear or on bone ... develop leukostasis syndrome ... • Peripheral smear ... • Tumor lysis syndrome ... #Oncology #Diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Pauci-immune vasculitis ... Polyarteritis nodosa • Microscopic ... • Goodpasture syndrome ... (inflamed blood ... rash #diagnosis #rheumatology
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
on Peripheral Blood ... Smear 23M Somali ... resolved after 2-3d ... Syndrome: 3d of ... recurrentis #BloodSmear #microscopy
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... (PR3-ANCA)): Microscopic ... Eosinophilia, asthma, chronic ... • Cogan syndrome ... Differential #Diagnosis #Rheumatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... • Peripheral smear ... Lymphocytosis: Absolute blood ... diagnosis #workup #oncology ... #hematology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Sweet Syndrome ... Leukocytoclastic vasculitis ... : - Biopsy - Microscopic ... neutrophils in the blood ... #dermatology #oncology