title: Milk of calcium in renal cysts: new sonographic features.
abstract: Milk of calcium (MOC) in a small renal cyst or calyceal diverticulum is quite common. Ninety-one small renal cysts with MOC in 61 patients were found within a period of 4 years and 7 months. The main sonographic features are echogenic material layering in the dependent portion of a cyst, associated with reverberation echoes without shadowing. Shadowing was seen when MOC was present in larger amounts. Because MOC is usually asymptomatic and requires no treatment, differentiation from other lesions such as calculi or angiomyolipomas is important for proper patient management. MOC is detected more readily by ultrasonography than by radiography or CT.
authors.affiliation: Department of Radiology, Mount Sinai Medical Center, City University of New York, NY 10029-6574.
authors.forename: H C
authors.initials: HC
authors.lastname: Yeh
authors.forename: H A
authors.initials: HA
authors.lastname: Mitty
authors.forename: K
authors.initials: K
authors.lastname: Halton
authors.forename: R
authors.initials: R
authors.lastname: Shapiro
authors.forename: J G
authors.initials: JG
authors.lastname: Rabinowitz
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000818:Animals; D001707:Biopsy, Needle; D002119:Calcium Carbonate / Q000378:metabolism*; D005260:Female; D006801:Humans; D052177:Kidney Diseases, Cystic / Q000000981:diagnostic imaging* / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D007690:Polycystic Kidney Diseases / Q000000981:diagnostic imaging / Q000378:metabolism; D013552:Swine; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography
chemical_list: D002119:Calcium Carbonate