Staghorn calculi, also sometimes called coral calculi, are renal calculi that obtain their characteristic shape by forming a cast of the renal pelvis and calyces, thus. Cálculo renal coraliforme; extraído por lumbotomía. This video may be inappropriate for some users. Sign in to confirm your age. Watch Queue. Queue. Watch QueueQueue. Remove all.

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Lamination within the stone is common. The vast majority of staghorn calculi are radiopaque and appear as branching calcific densities overlying the renal outline and may mimic an excretory phase intravenous pyelogram. Abnormal calcifications in the urinary tract. Staghorn falculo are composed of struvite chemically this is magnesium callculo phosphate or MAP and are usually seen in the setting of recurrent urinary tract infection with urease-producing bacteria e.

Urease hydrolyses urea to ammonium with an increase in the urinary pH Staghorn nephrolithiasis Staghorn calculi Coral calculus Coral calculi Struvite calculi Staghorn renal calculi Struvite renal calculi Staghorn type calculi. Log in Sign up. Case 10 Case Thank you for updating your details. You can also scroll through stacks with your mouse wheel or the keyboard arrow keys.


Case 5 Case 5. About Blog Go ad-free. Synonyms or Alternate Spellings: Articles Cases Courses Quiz. Uric acid and cystine are the underlying components of a minority of these calculi 5. Case 11 Case Case 4 Case 4. Radiographics full text – doi: Unable to process the form.

Staghorn calculi are radiopaque and conform to the renal pelvis and calyces, which are often to some degree dilated. Support Radiopaedia and see fewer ads. Case 9 Case 9. Loading Stack – 0 images remaining. Case 2 Case 2. Read it at Google Books – Find it at Amazon.

Staghorn calculus (kidney) | Radiology Reference Article |

For a general discussion of renal calculi please refer to nephrolithiasis. In the latter situation, the opaque collecting system may be attributed to contrast rather than the calculus, especially when staghorn calculi are bilateral. CT urography, an atlas. The majority of staghorn calculi are symptomatic, presenting with fever, haematuria, flank pain and potentially septicaemia and abscess formation.


Classic signs in uroradiology. To quiz yourself on this article, log in to see multiple choice questions. Case 8 Case 8.

Proteus, Klebsiella, Pseudomonas and Enterobacter. There is usually little differential, provided intravenous contrast has not been administered.

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When viewed on bone windows they have a laminated appearance, due to alternating bands of magnesium ammonium phosphate and calcium phosphate 5. Edit article Share article View revision history. If left untreated, staghorn calculi ca,culo in chronic infection and eventually may progress to xanthogranulomatous pyelonephritis 5.

The collecting system is filled with a densely calcified mass, producing marked posterior acoustic shadowing.

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