CT pixel mapping in the diagnosis of small angiomyolipomas of the kidneys.
In six small renal angiomyolipomas (7-17 mm) the superiority of displaying the CT numbers of pixels within a lesion (pixel mapping) over the usual region of interest (ROI) measurement is described in the detection of small amounts of fat tissue. On precontrast 5 mm CT the ROI measurements were > 0 in four cases whereas pixel maps revealed pixels with values < 0 in six cases.
Takahashi
K
K
Department of Radiology, Jichi Medical School and Hospital, Tochigi-ken, Japan.
Honda
M
M
Okubo
R S
RS
Hyodo
H
H
Takakusaki
H
H
Yokoyama
H
H
Ohsawa
T
T
D000273:Adipose Tissue / Q000000981:diagnostic imaging; D000328:Adult; D003287:Contrast Media; D005260:Female; D006391:Hemangioma / Q000000981:diagnostic imaging*; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods*; D007455:Iodine; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D008067:Lipoma / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011856:Radiographic Image Enhancement / Q000379:methods; D014057:Tomography, X-Ray Computed / Q000379:methods*
D003287:Contrast Media; D007455:Iodine