Korean Journal of Radiology  2001;2(1):61-62

doi:10.3348/kjr.2001.2.1.61

Characteristic Plain Radiographic and Intravenous Urographic Findings of Bladder Calculi Formed over a Hair Nidus: A Case Report .

Hak Jong LEE 1 ; Seung Hyup KIM

Affiliations

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Keywords

Urolithiasis; Bladder stone; Hair; Radiography

Country

Republic of Korea

Language

English

Abstract

We present the characteristic plain radiographic and intravenous urographic (IVU) findings of calculus formed over a hair. A 66-year-old man who had been quadriplegic for 40 years because of vertebral injury was admitted for further evaluation of frequent urinary tract infection. Plain radiography showed a linear, serpiginous calcification in the lower abdomen, and IVU revealed a round filling defect with linear radiopacity in the bladder, suggesting calculus. The gross appearance of the stone after extraction demonstrated that calcification had formed over a hair.