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Simple renal cyst. A renal cyst is a fluid collection in or on the kidney. There are several types based on the Bosniak classification. The majority are benign, simple cysts that can be monitored and not intervened upon. However, some are cancerous or are suspicious for cancer and are commonly removed in a surgical procedure called nephrectomy.
Kidney showing circumscribed calcium deposits together with a partial stag horn calculus. Nephrocalcinosis , once known as Albright's calcinosis after Fuller Albright , is a term originally used to describe the deposition of poorly soluble calcium salts in the renal parenchyma due to hyperparathyroidism .
Calcification: Deposition of calcium salts within the necrotic tissue leads to the characteristic dense appearance of the kidney on imaging. The advanced calcified state of a putty kidney is associated with a loss of renal function and often coexists with damage to the ureters and bladder.
Renal cysts have been reported in more than 50% of patients over the age of 50. [2] Typically, cysts grow up to 2.88 mm annually and may cause related pain and/or hemorrhage. [2] Of the cystic kidney diseases, the most common is polycystic kidney disease with two sub-types: the less prevalent autosomal recessive and more prevalent autosomal ...
Dystrophic calcinosis cutis is the most prevalent kind of calcification on the skin. [2] The ectopic calcified mass usually consists of amorphous calcium phosphate and hydroxyapatite. [6] Dystrophic calcification is linked to a number of illnesses, such as infections, hereditary diseases, cutaneous neoplasms, and connective tissue diseases. [7]
Multicystic dysplastic kidney (MCDK) is a condition that results from the malformation of the kidney during fetal development. The kidney consists of irregular cysts of varying sizes. Multicystic dysplastic kidney is a common type of renal cystic disease, and it is a cause of an abdominal mass in infants. [5]
The enlargement of the kidney can be related to the degree of cyst formation. The cysts which come from the Bowmans space can also cause the kidneys to appear asymmetrical or misshapen. Cysts can cause injury by destroying nearby renal tissue [10] Familial GCKD can have enlarged or normal size kidneys. [6]
Deciding on the benign or malignant nature of the renal mass on the basis of its localized size is an issue as renal cell carcinoma may also be cystic. As there are several benign cystic renal lesions (simple renal cyst, haemorrhagic renal cyst, multilocular cystic nephroma , polycystic kidney disease ), it may occasionally be difficult for the ...