Cases reported "Medullary Sponge Kidney"

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1/40. medullary sponge kidney.

    medullary sponge kidney is a benign asymptomatic developmental anomaly of the kidney mostly seen in adult females. Presentation in childhood is uncommon. Urinary tract infection, nephrolithiasis, hematuria and hypercalciuria are the common complications. We report a eleven-year-old female child who presented with recurrent urinary tract infection and nephrolithiasis and was found to have bilateral medullary sponge kidney. ( info)

2/40. A case of medullary sponge kidney (Cacchi-Ricci disease) mimicking a renal mass.

    medullary sponge kidney (MSK) is an uncommon benign congenital disorder, generally asymptomatic. In symptomatic patients the diagnosis is usually made by excretory urography performed in the most frequent complications such as renal stones, urinary tract infections and haematuria. Excretory urography can be very characteristic, showing cystic collections of ectatic collecting ducts like "bunches of grapes" or "bouquet of flowers". When haematuria represents the only symptom, and radiographic findings are not characteristic of MSK, the differential diagnosis with a renal tumor can be very difficult. We report a case of MSK that underwent nephrectomy since clinical and radiological features mimicked a renal tumor. ( info)

3/40. Medullary sponge kidneys and unilateral Wilms tumour in a child with beckwith-wiedemann syndrome.

    The occurrence of a Wilms tumour in a 4-year-old girl with bilateral medullary sponge kidney. beckwith-wiedemann syndrome and congenital hemihypertrophy demonstrates the close relationship between these disorders. Another six cases from the literature with congenital hemihypertrophy and with medullary sponge kidney are discussed, two of them also developed intraabdominal neoplasm. ( info)

4/40. medullary sponge kidney associated with distal renal tubular acidosis in a 5-year-old girl.

    INTRODUCTION: medullary sponge kidney (MSK) is characterized by cystic dilatation of the inner medullary collecting ducts, which causes the kidneys to resemble a sponge. CASE REPORT: Although distal renal tubular acidosis (dRTA) is commonly observed in patients with MSK, we report a 5-year-old girl with MSK who had features of both dRTA (nephrocalcinosis, hypercalciuria, hypocitraturia) and proximal tubular dysfunction (hyperuricosuria, impaired tubular phosphate reabsorption and proteinuria). DISCUSSION: Metabolic acidosis, hypercalciuria, hypocitraturia, tubular phosphate reabsorption and growth retardation in the patient improved with alkali therapy. ( info)

5/40. Primary Epstein-Barr virus infection in a renal transplant recipient.

    A young girl with familial nephronophthisis and chronic renal failure contracted a primary Epstein-Barr virus infection after renal transplantation. During the illness she developed a clinical picture of fever and pneumonitis which closely resembled the posttransplantation syndrome usually associated with cytomegalovirus, although she had no evidence of cytomegalovirus infection. A younger sibling with the same renal disease was found retrospectively to have apparently had an earlier subclinical Epstein-Barr virus infection. ( info)

6/40. Postpartum hypercalcemia in a patient with medullary sponge kidneys.

    Previous associations of primary hyperparathyroidism-induced hypercalcemia and medullary sponge kidney (MSK) have been reported. In this report, we describe a lactating woman MSK noted to be hypercalcemic throughout lactation, without evidence of hyperparathyroidism. After the baby was weaned, the serum calcium returned to normal. A bone biopsy performed while the patient was hypercalcemic was consistent with hyperparathyroidism, suggesting the presence of a parathyroid-like protein produced during lactation. ( info)

7/40. Polycystic disease of the kidney coexisting with medullary sponge kidney.

    A case of simultaneous adult polycystic kidney disease and medullary sponge kidney is reported. Such an occurrence is rare but suggests that these two conditions share a common pathogenesis. ( info)

8/40. Two cases of congenital hepatic fibrosis in children of consanguineous marriage.

    An association of congenital hepatic fibrosis (CHF), Caroli's disease, medullary sponge kidney, type II interventricular defect with right transposition of the aorta, multiple cervical vertebra malformations, and first sacral vertebra schisis in a 16 year old son of consanguineous parents (consanguinity factor = 1/32), is described. The patient's sister presented asymptomatic CHF and medullary sponge kidney only. Parental consanguinity in this case lends support to the view that CHF, medullary sponge kidney and cardiac malformations are more likely to be manifestation of a single recessive gene, with a varying phenotypic expression, than of different mutant genes. ( info)

9/40. medullary sponge kidney and staghorn calculi.

    We describe a 65-year-old female with bilateral staghorn calculi who presented with a proteus mirabilis perinephric abscess secondary to a ruptured lower pole hydrocalyx. Radiologic evidence was consistent with underlying medullary sponge kidney (MSK) disease. Despite expectations to the contrary, MSK, a disease notable for many risk factors capable of precipitating staghorn disease, is rarely associated with coexistent staghorn calculi. A discussion of the concurrent risk factors and a possible hypothesis regarding the lack of coexistence follows. ( info)

10/40. A case of normotensive primary aldosteronism with hypopituitarism, epilepsy, and medullary sponge kidney.

    A 55-year-old man with normotensive primary aldosteronism, hypopituitarism, epilepsy, and medullary sponge kidney is reported. Seventeen years before admission, he had been noted to have hypokalemia associated with high potassium clearance, suppressed plasma renin activity, metabolic alkalosis, and normal blood pressure as well as low urinary excretion of 17-hydroxycorticosteroids. He kept normotensive in spite of hyperaldosteronism until nine months after the initiation of replacement therapy with glucocorticoid and thyroxine for hypopituitarism, when he became hypertensive. hypopituitarism seemed to play a role in keeping a normal blood pressure despite long-standing hyperaldosteronism. ( info)
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