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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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Case 3 Case 3. Read it at Google Books – Find it at Amazon. The majority of staghorn calculi are symptomatic, presenting with fever, haematuria, flank pain and potentially septicaemia and abscess formation.

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Staghorn calculus (kidney) | Radiology Reference Article |

Case 5 Case 5. When viewed on bone windows they have a laminated appearance, due to alternating bands of magnesium ammonium phosphate and calcium phosphate 5. Abnormal calcifications in the urinary tract.

For a general discussion of caculo calculi please refer to nephrolithiasis. You can also scroll through stacks with your mouse wheel or the keyboard arrow keys.


Case 6 Case 6. Case 1 Case 1. Case 8 Case 8. Lamination within the stone is common.

Case 9 Case 9. Case 11 Case Edit article Share article View revision history. Support Radiopaedia and see fewer ads. Loading Stack – 0 images remaining.

There is usually little differential, provided intravenous contrast has not been administered. About Blog Go ad-free. Staghorn calculi are composed of struvite chemically this is magnesium ammonium phosphate or MAP and are usually seen in the setting of recurrent urinary tract infection with urease-producing bacteria e. CT urography, an atlas. If left untreated, staghorn calculi result in chronic infection and eventually may progress to xanthogranulomatous pyelonephritis 5.

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Staghorn calculi are radiopaque and conform to the renal pelvis and calyces, which are often to some degree dilated. Urease hydrolyses urea to ammonium with an increase in the urinary pH To quiz yourself on this article, log in to see multiple choice questions. Thank you for updating your details. Case 10 Case 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.


Articles Cases Courses Quiz. The collecting system is filled with a densely calcified mass, producing marked posterior acoustic shadowing. Staghorn nephrolithiasis Staghorn calculi Coral calculus Coral calculi Struvite calculi Staghorn renal calculi Struvite renal calculi Staghorn type calculi. Case 2 Case 2. Radiographics full text – doi: Proteus, Klebsiella, Pseudomonas and Enterobacter. Check for errors and try again. Classic signs in uroradiology.

Synonyms or Alternate Spellings: Uric acid and cystine are the underlying components of a minority of these calculi 5. In the latter situation, the opaque collecting system may be attributed to contrast rather than the calculus, especially when staghorn calculi are bilateral.

Case 7 Case 7. Case 4 Case 4.