239 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
Eosinophilic Esophagitis (EoE) - Spectrum of Response
Non-response:
 • Histology: Persistent eosinophilia, ≥ 15 eos/hpf
 • Symptoms:
15 eos/hpf • Symptoms ... : Persistent symptoms ... decrease in a symptom ... EoE #Response #diagnosis ... #gastroenterology
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
Gastrointestinal Stromal Tumor (GIST)
Most prevalent intramural gastric tumor
Arises from interstitial cells Of (EUS layer 4)
Has higher
Gastrointestinal Stromal Tumor ... intramural gastric tumor ... Gastrointestinal #Stromal #Tumor ... #diagnosis #gastroenterology
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
- Differential Diagnosis ... Spondylosis • Tumor ... • Trauma • Tumor ... • Diabetes • Tumor ... #Differential #Diagnosis
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
allele of RB1 tumor ... allele of RB1 tumor ... Retinoblastoma Signs / Symptoms ... ophthalmology #diagnosis ... #signs #symptoms
Gastric Tumors - Tumor Markers
 • GIST +CD117
 • Leiomyoma +Smooth Muscle Actin
 • Glomus +Smooth
Gastric Tumors - ... Tumor Markers ... DrShoukatAli16 #Gastric #Tumor ... #Markers #diagnosis ... #oncology #gastroenterology
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
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