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

 • Metastatic bone tumors (aka. cancerous cells from systemic
Signs/Symptoms: ... Ill-defined border) • Soft-tissue ... tumor #BoneTumors ... #Malignant #Radiology ... #Diagnosis #XRay
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
insertion into bone ... entire digit- soft ... destructive) • X-ray ... PsoriaticArthritis #pathophysiology ... #diagnosis #signs
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
Hand X-Ray Anatomy ... the underlying bone ... important to look for signs ... drdevrad #Hand #XRay ... Interpretation #Checklist #radiology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Incr IGF1 • Bone ... activates lipolysis Signs ... hands/feet - Soft ... tunnel, OSA, Incr skin ... endocrinology #pathophysiology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
in subchondral bone ... Swelling notable on Xray ... and subcondral bone ... Extra-articular signs ... #signs #symptoms
Facial Bone X-Ray Interpretation Checklist
1. Look for tripod fracture
 • Find the zygoma and fan out
Facial Bone X-Ray ... the zygomatic bone ... be a secondary sign ... 'black eyebrow sign ... #Skull #XRay #interpretation