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

 • Metastatic bone tumors (aka. cancerous cells from systemic
between bone and tumor ... • Soft-tissue mass ... around the bone tumor ... BoneTumors #Malignant #Radiology ... #Diagnosis #XRay
Causes of Ovarian Mass - Differential Diagnosis Algorithm
Hyperplastic:
 • Polycystic ovary
 • Endometrioid cyst
Functional:
 • Follicular
Causes of Ovarian ... Mass - Differential ... Granulosa cell tumor ... Granulosa cell tumor ... • Krukenberg tumor
Causes of Scrotal Mass - Differential Diagnosis Algorithm
Painful - Sudden Onset
 • Testicular Torsion
 • Torsion
Causes of Scrotal ... Mass - Differential ... Spermatocele Spermatic Cord ... Traumatic/Reactive Tumor ... - Solid = Tumor
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
• Giant Cell Tumor ... Sarcoma #Bony #Mass ... #Tumor #BoneLesion ... #XRay #MSK #Differential ... #Orthopedics #Causes
5 T’s Mnemonic for Causes of an Anterior Mediastinal Mass Differential Diagnosis

Thymus - Thymoma, Thymic Carcinoma.
Differential Diagnosis ... anterior mediastinal tumor ... Teratoma + Germ Cell Tumors ... non-seminomatous germ cell tumors ... Diagnosis #Radiology
Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
Diagnosis • ... Atelectasis, Nodule / mass ... • Masses: Anterior ... Lymphoma, Germ cell tumor ... #radiology
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... Diagnosis Framework ... Hemangioma • Tracheal mass ... /tumor • Subglottic ... #diagnosis #causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Abscess - Tumor ... - Syrinx - Tumor ... Intramedullary tumor ... syndromes #lesions #differential ... #diagnosis #neurology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... URGENT: Brainstem tumor ... , Orbital apex mass ... #Diplopia #differential ... #diagnosis #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Clinical Pearls ... symptoms suggest a mass ... as the cause ... Inflammation • Orbital Tumor ... • Aneurysm • Tumor