31 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
VEXAS (Vacuoles, E1 enzyme, X-linked, Autoinflammatory, Somatic) Syndrome
Clinical Syndrome:
 • Common Clinical Features: alveolitis, ear and
vasculitis • Hematologic ... criteria for 1) hematologic ... hematopoietic stem cells ... blood myeloid cells ... NEJM Review: https
Beautiful acanthocytes/spur cells in a patient with McLeod Syndrome. X-linked disorder characterized by reduced expression of
acanthocytes/spur cells ... patient with McLeod Syndrome ... associated with chronic ... SpurCells #McLeod #Syndrome ... Smear #Pathology #Microscopy
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Marrow Failure • Chronic ... factor (GCSF) treatments ... abnormal under a microscope ... marrow studies Treatment ... #diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... • Nonmalignant hematologic ... Rebound effect from treatment ... Kawasaki, Nephrotic syndrome ... • Infections: Chronic
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... = funny-shaped cells ... only curative treatment ... Myelodysplastic #Syndrome ... #hematology #oncology
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
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... adsorption onto cancer cells ... vonWillebrand #Syndrome ... Diagnosis #Management #treatment ... #hematology #differential
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... microglobulin Treatment ... • Richter’s Syndrome ... leukemia #CLL #Chronic ... workup #oncology #hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
organ damage • Treatment ... Lysis of tumor cells ... Low calcium • Treatment ... - Hyperkalemia treatment ... diagnosis #management #hematology