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

 • Metastatic bone tumors (aka. cancerous cells from systemic
metastasis: • Breast ... Lung. thvroid. and ... and tumor (Ill-defined ... BoneTumors #Malignant #Radiology ... #Diagnosis #XRay
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteophytes (Abnormal bone ... (Thickening of bone ... directly under the areas ... of bone-bone contact ... Osteoarthritis #OA #Xray
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... in adults - Breast ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... #Bony #Tumors #
Representative X-ray appearance of a primary malignant bone tumor - Ewings Sarcoma
 • "Interrupted periosteal reaction
primary malignant bone ... Moth-eaten", permeative bone ... transition between bone ... and tumor (Ill-defined ... accumulation around the bone
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
inflammatory disorder of bone ... swelling of the bone ... • Bone and joint ... radiographs of affected areas ... , breast bone, pelvis
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
Increased renal and ... resorption in the bone ... resorption in the bone ... lung, Renal Cell, Breast ... Differential #Diagnosis #algorithm
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
Hand X-Ray Anatomy ... the underlying bone ... bones of the hand ... Other areas - Last ... #XRay #Anatomy
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Differential Diagnosis Algorithm ... Hyperplasia • MEN 1 and ... Breast, Kidney, ... Cytokine-Mediated Bone ... Lymphomas) Metastatic Bone
Whistling Cough- A 4-year-old boy presented to the otorhinolaryngology outpatient clinic with a 2-day history of
Cough- A 4-year-old ... see source for video ... in the middle and ... NEJM #clinical #radiology ... #chest #xray #peds
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... sudden-onset shortness of breath ... neck (shown in video ... travels from these areas ... in subcutaneous areas