9 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
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
Peripheral blood ... arrow) Peripheral smear ... hemolytic #anemia #Hematology ... #Pathology #Smear ... #Microscopy
Peripheral blood smear of a patient with tick bite and PCR positive for Ehrlichia ewingii.

Ehrlichia ewinqii
Peripheral blood ... smear of a patient ... Ehrlichia #ewingii #Smear ... #Morulae #Hematology ... #Pathology #Microscopy
Autoagglutination should also be distinguished from “Rouleaux formation” wherein normal blood tends to form stacks on
wherein normal blood ... #Clinical #Pathology ... #Blood #Smear # ... Microscopy #Rouleaux ... #Formation #Hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... pulses, bruis, or blood ... Large Vessel: Blood ... Dx: GPA, EGPA, microscopic ... differential #diagnosis #rheumatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Peripheral Smear ... abnormal under the microscope ... abnormal under a microscope ... abnormal under the microscope ... smear • Bone marrow
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
Smear 23M Somali ... resolved after 2-3d ... Syndrome: 3d of ... recurrentis #BloodSmear #microscopy ... #pathology #clinical
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
Vasculitis - Differential Diagnosis Framework

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