sodium-pertechnetate-tc-99m and Leiomyoma

A pelvic hypervascular blush often creates a diagnostic dilemma during radionuclide abdominal imaging studies in females. This blush is shown to be due to uterine vascularity that is more prominent in the secretory and menstrual phases of the menstrual cycle. Significant uterine vascularity in the earlier phases is inappropriate and may be pathologic. Three such cases are presented in which increased uterine vascularity on radionuclide imaging during the proliferative phase either lead to a diagnosis or supported a clinical finding.

Topics: Adult; Endometriosis; Female; Humans; Leiomyoma; Organotechnetium Compounds; Radionuclide Imaging; Sodium Pertechnetate Tc 99m; Sugar Acids; Uterine Diseases; Uterine Neoplasms; Uterus

Topics: Female; Gastrointestinal Hemorrhage; Humans; Intestinal Diseases; Leiomyoma; Middle Aged; Radionuclide Imaging; Sodium Pertechnetate Tc 99m; Uterine Neoplasms

Hypervascularity and persistent uptake were demonstrated in a small bowel leiomyoma not actively bleeding at the time of Tc-99m RBC scintigraphy. The potential value of Tc-99m RBC scanning in the evaluation of benign small bowel tumors is discussed.

Topics: Aged; Erythrocytes; Humans; Intestinal Neoplasms; Intestine, Small; Leiomyoma; Male; Radionuclide Imaging; Sodium Pertechnetate Tc 99m

Two cases of ileal leiomyomatous neoplasms with positive scintigraphic findings for Meckel's diverticulum are presented. The precise mechanism for the abnormal concentration of the Tc-99m pertechnetate is uncertain. Illustrations of the collating barium and computerized tomographic studies are included and the scanning technique utilized is reviewed.

Topics: Diagnosis, Differential; False Positive Reactions; Humans; Ileal Neoplasms; Leiomyoma; Leiomyosarcoma; Male; Meckel Diverticulum; Middle Aged; Radionuclide Imaging; Sodium Pertechnetate Tc 99m; Technetium Tc 99m Sulfur Colloid; Tomography, X-Ray Computed

Leiomyomatosis peritonealis disseminata is a rare benign disorder in females characterized by multiple smooth muscle tumor nodules throughout the peritoneal cavity. All of the reported cases have been in menstrual-age women; some of whom have been pregnant or taking oral contraceptives. We report a postmenopausal woman who had symptoms related to bowel-wall involvement in two episodes 12 years apart.

Topics: Female; Humans; Leiomyoma; Middle Aged; Neoplasm Recurrence, Local; Peritoneal Neoplasms; Radionuclide Imaging; Sodium Pertechnetate Tc 99m; Tomography, X-Ray Computed