Slideshow Semester 2 - 2006 - MIXED (NXPowerLite)

Slideshow Semester 2 - 2006 - MIXED (NXPowerLite) - HADD...

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Unformatted text preview: HADD Hydroxyapatite Deposition Disease- Longus colli muscle insertion may be associated with oedema which may displace RPI (>7mm) Painful stiff neck, painful dysphagia (globus hysteria) Ref:Taylor & Resnick. Skeletal Imaging- Atlas of the Spine & Extremities. Saunders 2000 CHORDOMA Sacrococcygeal Chordoma : Early on, the lesion may be clinically silent. Later, as the tumor expands, localized pain with pressure symptoms from the bladder and rectum are common. OA HANDS Bouchards and Heberdens nodes OSTEOPOROSIS METACARPAL INDEX CHORDOMA Location : 50% arise in the sacrococcygeal area; 35% in the clivus of Blumenbach; 15% in the true vetebrae, with the C2 vetebrae being the most common site. destroyed pedicle destroyed pedicle LYMPHOMA 7-yr old girl Ddx: Ewings, osteomyelitis DISC LESION Note filling defect in thecal sac and dural sleeve on this CT with contrast Ref: Greenspan, A. Orthopaedic Radiology. Gower Medical 1990 BLASTIC METS LARGE DISC LESION HODGKINS LYMPHOMA Pain is usually the most common initial symptom. Lytic lesions are usually more symptomatic than sclerotic ones. Neuro signs may result from vertebral collapse and cord compression. CHONDROBLASTOMA Note epiphyseal location Ref: Greenspan, A. Orthopaedic Radiology. Gower Medical 1990 OSTEOID OSTEOMA Bone scan and CT confirming faint radiolucency is nidus of tumour cells Ref: Greenspan, A. Orthopaedic Radiology. Gower Medical 1990 CPPD PSEUDOGOUT CALCIUM PYROPHOSPHATE DIHYDRATE CRYSTAL DEPOSITION DISEASE > 30yrs; peak 60yrs Gout-like symptoms Often associated with other diseases: diabetes, DJD, gout, hyperparathyroidism, haemochromatosis, Wilsons disease, ochronosis OPLL Ossified Posterior Longitudinal Ligament Associated with DISH Predisposed in Japanese men May cause spinal stenosis if PLL >60% of canal diameter Yochum & Rowe. Essentials of Skeletal Radiology 2 nd ed.Williams & Wilkins 1996 NEUROTROPHIC ARTHROPATHY Diabetic foot Hypertrophic type Ref: Greenspan, A. Orthopaedic Radiology. Gower Medical 1990 DYNAMIC VDF VIEWS HALF FLEXION OA of facets EWINGS SARCOMA OSTEOSARCOMA POST-RADIATION ADVANCED OSTEOSARCOMA DRAMATIC PERIOSTEAL RESPONSE SESSILE OSTEOCHONDROMA Broad-based, creates a long, asymmetrical widening of bone Usually in metaphyseal / diaphyseal region Ref: Greenspan, A. Orthopaedic Radiology. Gower Medical 1990 GOUT Ref: Greenspan, A. Orthopaedic Radiology. Gower Medical 1990 INTRACAPSULAR OSTEOID OSTEOMA Radiolucent nidus without reactive sclerosis Ref: Greenspan, A. Orthopaedic Radiology. Gower Medical 1990 ANNULAR TEARS & SUBCHONDRAL SCLEROSIS Ref:Kirkaldy-Willis, Burton. Managing Low Back Pain 3rd edition. Churchill Livingstone 1992 HYPERPARATHYROIDISM Note: salt and pepper skull due to a decrease in overall density accentuating the diploe. PROMINENT OSTEOPHYTE Not DISH but osteophytes also likely to cause some mild dysphagia ADVANCED METASTASIS NOTE COMPARITIVE LACK OF PERIOSTEAL RESPONSE POLYPS & FAMILIAL POLYPOSIS...
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Slideshow Semester 2 - 2006 - MIXED (NXPowerLite) - HADD...

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