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

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... these cancer cells activate ... these cancer cells activate ... between bone and tumor ... around the bone tumor
Tumor lysis syndrome (TLS) - Pathophysiology:
→ Massive tumor cell lysis
→ Release of large amounts of K+,
Tumor lysis syndrome ... (TLS) - Pathophysiology ... : → Massive tumor ... syndrome #TLS #Pathophysiology
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... of Tumor Lysis Syndrome ... (TLS) Tumor Cell ... Syndrome #TLS #Pathophysiology
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Extraglomerular Aromatase Activity ... • Leydig Cell Tumor ... • Sertoli Cell Tumor ... Testicular Germ Cell Tumor ... Prolactin • Non-Tumor
Fig. 1 Pathophysiology of septic myocardial dysfunction. IL interleukin, iNOS induced nitric oxide synthase, PMN polymorphonuclear
Fig. 1 Pathophysiology ... polymorphonuclear cell, TNF tumor ... necrosis factor #Pathophysiology
The biotrauma hypothesis of ventilator-induced lung injury. IL = interleukin; PEEP = positive end-expiratory pressure; Pplat
pressure; TNF = tumor ... #Pathophysiology
Causes of Hemoptysis - BATTLE CAMP Mnemonic:

Bronchitis 
Bronchiectasis 
Aspergilloma 
Tumor 
Tuberculosis 
Lung abscess 
Emboli (pulmonary) 
Coagulopathy
Aspergilloma Tumor ... abscess Emboli (pulmonary
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis vs Tumor ... /- rasburicase Tumor ... : Lysis of tumor ... rate or large tumor ... #Leukostasis #Tumor
Melanoma Pathogenesis

Environmental exposure (UV light) + genetic susceptibility (CDKN2A, CDK4, MC1R, BRAF, p16/ARF genes) → accumulation
melanocyte that activate ... oncogenes, inactivate tumour ... vessel growth, tumour ... #Pathophysiology
Endobronchial carcinoid on bronchoscopy

Bronchoscopy in patient with cough/Endobronchial carcinoid- Near complete occlusion RUL bronchus

Dr. Jaykumar Mehta
clinical #video #pulmonary ... #mass #tumor