eliza nastase
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Osteiod osteoma

Case of osteoid osteoma.Accounts for of benign bone tumours with a higher incidence in young males.

A Charcot joint (also known as a neurotrophic joint) refers to a progressive degenerative / destructive joint disorder in patients with abnormal pain sensation and proprioception.  Mnemonic - 6 Ds  dense bones (subchondral sclerosis) degeneration  destruction of articular cartilage deformity (pencil-point deformity of metatarsal heads) debris (loose bodies) dislocation  http://radiopaedia.org/articles/charcot-joint

A Charcot joint (also known as a neurotrophic joint) refers to a progressive degenerative / destructive joint disorder in patients with abnormal pain sensation and proprioception. Mnemonic - 6 Ds dense bones (subchondral sclerosis) degeneration destruction of articular cartilage deformity (pencil-point deformity of metatarsal heads) debris (loose bodies) dislocation http://radiopaedia.org/articles/charcot-joint

Fishhook ureters, also known as "J-shaped ureters" or "hockey stick ureter" describe the course of the distal ureter in patients with significant Benign prostatic hypertrophy.   Read more: http://radiopaedia.org/articles/fishhook_ureters

Fishhook ureters, also known as J-shaped ureters or hockey stick ureters describe the appearance of the distal ureter in patients with significant benign prostatic hypertrophy. It has also been used to describe the appearance of a retrocaval uret.

Colon cut-off sign describes gaseous distension seen in proximal colon associated with with narrowing of the splenic flexure in cases of acute pancreatitis. Though originally described in abdominal radiographs, this sign has also been demonstrated in contrast enemas and computed tomography. http://radiopaedia.org/articles/colon-cut-off-sign

The colon cut-off sign has been described most commonly with acute pancreatitis, secondary to the inflammation extending to the splenic flexure via the phrenicocolic ligament. However, the degree of distension is not as much as in a true colonic .

Pyonephrosis is a term given to infection of the renal pelvic system which can then subsequently get filled with pus and is then complicated by obstruction.   The diagnosis of pyonephrosis is suspected when the clinical symptoms of fever and flank pain are combined with the radiologic evidence of obstruction to the urinary tracts.  Echogenic collecting system debris is considered the most reliable sign on ultrasound.  Read more: http://radiopaedia.org/articles/pyonephrosis

Pyonephrosis is a term given to infection of the renal pelvic system which can then subsequently get filled with pus and is then complicated by obstruction. The diagnosis of pyonephrosis is suspected when the clinical symptoms of fever and flank pain are combined with the radiologic evidence of obstruction to the urinary tracts. Echogenic collecting system debris is considered the most reliable sign on ultrasound. Read more: http://radiopaedia.org/articles/pyonephrosis

Renal cysts are very common.  Most of these are simple in nature - Bosniak Type 1.  The remainder require careful assessment with imaging, classification, follow up and sometimes surgery.    Read more: http://radiopaedia.org/articles/bosniak_renal_cyst_classification

Cyst on a Kidney. A kidney cyst is a fluid-filled sac that forms on the kidney. Not every cyst on a kidney leads to cancer.

Bear paw sign - dilated renal calyces with normal renal pelvis - Calculus disease and Xanthogranulomatous pyelonephritis

Bear paw sign - dilated renal calyces with normal renal pelvis - Calculus disease and Xanthogranulomatous pyelonephritis

Vesicoureteral reflux - grade 5 | Radiology Case | Radiopaedia.org

Vesicoureteric reflux is the term for abnormal flow of urine from the bladder into the upper urinary tract and is typically a problem encountered in young children.

Clay-shoveler's fracture | Radiology Case | Radiopaedia.org

This fracture (Clay-shoveler fracture) is mechanically stable unless the fracture is extended into the lamina. It is also important to evaluate the facet joint looking for fracture or dislocations.

Cerebral arteriovenous malformation | Radiology Case | Radiopaedia.org

Cerebral arteriovenous malformations (AVMs) are the most common symptomatic cerebrovascular malformations. Their most common presentation is intraparenchymal haematoma. Large AVMs are typically wedge-shaped lesions located in the watershed area.