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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Thank you for updating your details. Proteus, Klebsiella, Pseudomonas and Enterobacter. Abnormal calcifications in the urinary tract.

Staghorn calculus (kidney) | Radiology Reference Article |

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Case 11 Case CT urography, an atlas. Radiographics full text – doi: Staghorn calculi are radiopaque and conform to the renal pelvis and calyces, which are often to some degree dilated.

Case 1 Case 1. Caculo 4 Case 4. When viewed on bone windows they have a laminated appearance, due to alternating bands of magnesium ammonium phosphate and calcium phosphate 5.

Staghorn nephrolithiasis Staghorn calculi Coral calculus Coral calculi Struvite calculi Staghorn renal calculi Struvite renal calculi Staghorn type calculi. Uric acid and cystine are the underlying components coralifirme a minority of these calculi 5.

Articles Genal Courses Quiz. In the latter situation, the opaque collecting system may be attributed to contrast rather than the calculus, especially when staghorn calculi are bilateral.

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The majority of staghorn calculi are symptomatic, presenting with fever, haematuria, flank pain and potentially septicaemia and abscess formation. Case 3 Case 3.

There is usually little differential, provided intravenous contrast has not been administered. Classic signs in uroradiology. Lamination within the stone is common.

For a general discussion of renal calculi please refer to nephrolithiasis.

Litiasis urinaria – diagnуstico – Medwave

Urease hydrolyses urea to ammonium with an increase in the urinary pH You can also scroll through stacks with your mouse wheel or the keyboard arrow keys. Edit article Share article View revision history. Case 5 Case 5.

To quiz yourself on this article, log in to see multiple choice questions. Read it at Google Books – Find it at Amazon. The collecting system is filled with a densely calcified mass, producing marked posterior acoustic shadowing.

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About Blog Go ad-free. Loading Stack – calcul images remaining. Case 7 Case 7. Case 10 Case Case 8 Case 8. If left untreated, staghorn calculi result in chronic infection and eventually may progress to xanthogranulomatous pyelonephritis 5.

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.

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ernal Check for errors and try again. Synonyms or Alternate Spellings: Case 6 Case 6. Support Radiopaedia and see fewer ads. 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. Case 2 Case 2.

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