The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Account created for The Calgary Guide to Understanding Disease - Linking pathophysiology to clinical presentation - http://calgaryguide.ucalgary.ca/
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Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... • Metastatic bone ... tumors (aka. cancerous ... tumor #BoneTumors ... #Malignant #Radiology
Representative X-ray appearance of a primary benign bone tumor - Aneurysmal Bone Cyst 
 • Soft
primary benign bone ... tumor - Aneurysmal Bone ... Narrowing • Bony ... #ShoulderXRay #Radiology ... Labeled #Benign #BoneTumor
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 ... Ewings #Sarcoma #Radiology ... LegXRay #Malignant #BoneTumor
Benign Primary Bone Tumors: Pathogenesis of X-ray appearance
 • "Geographic" bone destruction
 • Lack of soft-tissue
Benign Primary Bone ... • "Geographic" bone ... periosteum) #Benign #BoneTumors ... XRay #diagnosis #Radiology ... #Features
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
arthritis (RA): X-ray features ... Narrowing • Bony ... the articular bone ... HandXray #Diagnosis #Radiology
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis (OA): X-ray features ... Osteophytes (Abnormal bone ... (Thickening of bone ... under the areas of bone-bone ... Osteoarthritis #OA #Xray #radiology
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
Ketoacidosis (DKA ... Findings • Note: in DKA ... , body K+ is lost ... brain... thus, the body ... pathophysiology #endocrinology