12 results
A non-subtle example of true Sezary syndrome.  Patient presented with erythroderma without antecedent history of
of true Sezary syndrome ... mjcascio #Sezary #Syndrome ... Cells #Clinical #Pathology ... #Smear #Microscopy ... #Hematology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... granulomatosis - microscopic ... Churg-Strauss syndrome ... dermatomyositis #Size #Classification ... Vessels #Diagnosis #Rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... Associated: - Microscopic ... Disease • Cogan syndrome ... #rheumatology # ... differential #diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Hyperviscosity Syndrome ... 20% Sjögren's syndrome ... vasculitis - GPA, EGPA, microscopic ... diagnosis #types #classification ... #rheumatology #
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
abnormal under the microscope ... abnormal under a microscope ... abnormal under the microscope ... blood count with differential ... #diagnosis #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... PR3-ANCA): • Microscopic ... Dx: GPA, EGPA, microscopic ... #diagnosis #rheumatology ... #classification
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence microscopy ... SLE), Sjogren's Syndrome ... Arthritis, Sjögren Syndrome ... ANA #patterns #rheumatology ... #diagnosis #differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
reticularis Differential ... Polyarteritis nodosa • Microscopic ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
resolved after 2-3d ... Syndrome: 3d of ... recurrentis #BloodSmear #microscopy ... #pathology #clinical
Diarrhea with Normal Colonoscopy
 • Colonic: Bile acid malabsorption, Microscopic colitis, Overflow diarrhoea, Missed pathology
 •
malabsorption, Microscopic ... diarrhoea, Missed pathology ... ), Short bowel syndrome ... drkeithsiau #Diarrhea #differential