519 results
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... Signs/Symptoms: ... between bone and tumor ... around the bone tumor ... Malignant #Radiology #Diagnosis
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis vs Tumor ... /- rasburicase Tumor ... Pathophysiology: Lysis of tumor ... rate or large tumor ... #Leukostasis #Tumor
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... allele of RB1 tumor ... allele of RB1 tumor ... ophthalmology #diagnosis ... #signs #symptoms
Mediastinal Mass - Differential Diagnosis Framework

Anterior Mediastinal Mass - 5T’s
 • Thymic neoplasm
 • Teratoma (or
other germ cell tumor ... Bronchogenic cyst/Tumor ... • Bronchogenic tumor ... • Neurogenic tumor ... Mediastinal Mass Symptoms
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
- Differential Diagnosis ... Spondylosis • Tumor ... • Trauma • Tumor ... • Diabetes • Tumor ... #Differential #Diagnosis
A hole in the brain after tumor resection

#tumor #resection #hole #brain #clinical #video #intraoperative #neurosurgery
the brain after tumor ... resection #tumor ... #hole #brain #clinical
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
- Differential Diagnosis ... • Leydig Cell Tumor ... • Sertoli Cell Tumor ... Prolactin • Non-Tumor ... #Differential #Diagnosis
Representative X-ray appearance of a primary malignant bone tumor - Ewings Sarcoma
 • "Interrupted periosteal reaction
malignant bone tumor ... between bone and tumor ... around the bone tumor ... Sarcoma #Radiology #Clinical
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
- Differential Diagnosis ... constitutional symptoms ... • Fracture • Tumor ... Unresolved Radicular Symptoms ... #Differential #Diagnosis
Osteosarcoma 
Most common primary malignant bone tumor in children 
Most Common Sites of Involvement:
1. Distal femur
malignant bone tumor ... proximal femur Clinical ... injury • Systemic symptoms ... #Osteosarcoma #Diagnosis