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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Abnormal calcifications in the urinary tract.

Staghorn calculi are radiopaque and conform to the renal pelvis and calyces, which are often to some degree dilated. Synonyms or Alternate Spellings: Uric acid and cystine are the underlying components of a minority of these calculi 5.

For a general discussion of renal calculi please refer to nephrolithiasis. Radiographics full text – doi: Case coralifirme Case 2. Check for errors and try again. Loading Stack – 0 images remaining. There is usually little calcjlo, provided intravenous contrast has not been administered. Case 11 Case Case 10 Case Case 7 Case 7. Staghorn calculi are composed of struvite chemically this is magnesium coralirorme phosphate or MAP and are usually seen in the setting of recurrent urinary tract infection with urease-producing bacteria e.


Case 5 Case 5. Support Radiopaedia and see fewer ads. Thank you for updating your details. In the latter situation, the opaque collecting system may be attributed to contrast rather than the calculus, especially when staghorn calculi are bilateral.

Classic signs in uroradiology. CT urography, an atlas. Proteus, Klebsiella, Pseudomonas and Enterobacter. Lamination within the stone is common. Read it at Google Books – Find it at Amazon. You can also scroll through stacks with your mouse wheel or the keyboard arrow keys.

Staghorn calculus (kidney) | Radiology Reference Article |

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The majority of staghorn calculi are symptomatic, presenting with fever, haematuria, flank pain and potentially septicaemia and abscess formation. Staghorn nephrolithiasis Staghorn calculi Coral calculus Coral calculi Struvite calculi Staghorn renal calculi Struvite renal calculi Staghorn type calculi.


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The collecting system is filled with a densely calcified mass, producing marked posterior acoustic shadowing. Case 9 Case 9. When viewed on bone windows they have a laminated appearance, due to alternating bands of magnesium ammonium phosphate and calcium phosphate 5. Calculp 1 Case 1. 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.

If left untreated, staghorn calculi result in chronic infection and eventually may progress to xanthogranulomatous pyelonephritis 5. Urease hydrolyses urea to ammonium with an increase in the urinary pH Case 6 Case 6. Edit article Share article View revision history.

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