13 results
Tumor Lysis Syndrome (TLS) Pathophysiology
Culprits: ALL, Burkitt, SCLC
Cells all die at once = ↑Phos, ↓Ca, ↑K,
Tumor Lysis Syndrome ... (TLS) Pathophysiology ... Burkitt, SCLC Cells ... #Lysis #Syndrome ... #oncology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Lysis Syndrome ... high WBC count cause ... Lysis Syndrome: ... : Lysis of tumor ... #Lysis #Syndrome
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
Hyperviscosity Syndrome ... neutrophil count < 500 cells ... Superior Vena Cava Syndrome ... EMERGENCIES: Tumor ... Lysis Syndrome:
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... - Most common tumour ... #Tumours #MSK # ... #Orthopedics #Causes ... #Oncology #Radiology
Tumor lysis syndrome refers to the constellation of metabolic disturbances that occurs when large numbers of
Tumor lysis syndrome ... of neoplastic cells ... acutekidneyinjury #Pathophysiology
Tumor Lysis Syndrome
An acute, life-threatening condition that appears within 7 days of starting cytotoxic therapies in
Tumor Lysis Syndrome ... Walid Malki, MD, MS ... wandering_er #Tumor ... #Lysis #Syndrome ... #TLS #oncology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... develop leukostasis syndrome ... Fibrinolysis & DIC • Tumor ... lysis syndrome: ... Leukemia #Hematology #Oncology
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
Summary of Oncologic ... antibiotics TLS (tumor-lysis ... Treat underlying cause ... interventional radiology ... “big & sticky” cells
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... tissue: Epithelioid cells ... symptoms are not caused ... anterior/posterior MSK ... • Heerfordt syndrome
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
and biologics (tumor ... various inflammatory cells ... periumbilical region), nausea ... nephrotic/nephritic syndrome ... HenochScholeinPurpura #Pathophysiology