Gastrointestinal stromal tumors presenting as gynecological masses: usefulness of multidetector computed tomography

Teoh, Wendy; Teo, Sze Yiun; Ong, Caroline

doi:10.1002/uog.8801

Cited by 16 publications

(6 citation statements)

References 13 publications

(13 reference statements)

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“…Nongynecologic leiomyomas of the pelvis are rare and may involve the bladder (endovesically, intramurally, and extravesically, with frequency rates of 63%, 7%, and 30%, respectively), retroperitoneum, or distal gastrointestinal tract. [2][3][4][5][6] Interestingly, gastrointestinal hemorrhage (absent in our case) has been reported with cases of both endoluminal and extraluminal rectal leiomyomas. 4,5 Classically, a decrease in stool caliber has been described in association with colorectal cancer, yet this finding has recently been challenged.…”

supporting

confidence: 53%

Large Extraluminal Leiomyoma of the Rectum in a Patient Presenting With Decreasing Stool Caliber

Salame

Sherer

Zinn

et al. 2011

Journal of Ultrasound in Medicine

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supporting

confidence: 53%

Large Extraluminal Leiomyoma of the Rectum in a Patient Presenting With Decreasing Stool Caliber

Salame

Sherer

Zinn

et al. 2011

Journal of Ultrasound in Medicine

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“…Literature has described signs that help localize the epicenter: The presence of a pedicle connecting the mass to the organ of origin is "pedicle sign," as seen in this case [2]. A few other signs are the "beak sign," a sharp angle between the ovary and the mass forms a beak shape at the edge of the ovary; the "phantom organ sign," nonvisualization of an organ in the context of no appropriate surgical history; the embedded organ sign, the organ of origin appears embedded in the mass.…”

Section: Discussionmentioning

confidence: 86%

Giant Fibroid Mimicking a Gastrointestinal Stromal Tumor: A Diagnostic Dilemma

Priyadharshinee¹,

Sahu²,

Chavadi³

2023

Cureus

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Uterine fibroids are the most common benign pelvic tumors in females of the reproductive age group. Usually, fibroids are confined to the uterus. Here, we report an interesting and rare case of a large 17 cm abdominopelvic mass lesion that led to a diagnostic dilemma between a mesenteric gastrointestinal stromal tumor (GIST) and a uterine fibroid. We had a 26-year-old female who underwent an ultrasound examination of the abdomen as the initial imaging modality and was found to have an abnormally large solid abdominopelvic mass lesion. For further evaluation, a contrast-enhanced CT examination of the abdomenpelvis was done. Initially, on first look, the mass was thought to be of mesenteric origin, but on further review of images, it was found to be of gynecological origin. Intraoperatively, the solid mass was seen attached to the uterine fundus and underwent excision. Histopathological examination confirmed the mass to be a uterine fibroid. This case study describes the uncommon appearance of this tumor in a young woman, including the clinical presentation, imaging, and surgical findings.

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“…(SMA). The vasculature of G-GISTs has been reported in two cases (7). Cai et al (8) reported on the vasculature of D-GISTs, especially the importance of the supply arteries and drainage veins in differential diagnosis.…”

Section: Discussionmentioning

confidence: 99%

Gastrointestinal stromal tumors in the duodenum show increased contrast enhancement compared with those in the stomach on computed tomography

et al. 2022

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Duodenal gastrointestinal stromal tumors (D-GISTs) are a rare and relatively small subset of GISTs whose imaging features are not well known. The present study aimed to evaluate the enhancement pattern of D-GISTs compared with that of gastric GISTs (G-GISTs) using dynamic computed tomography. This single-center, retrospective, clinicopathological analysis was conducted on 10 patients with D-GISTs who underwent surgery between June 2006 and October 2018. In the same period, 25 patients with G-GISTs underwent surgery and were enrolled. The contrast ratio was defined as the ratio between Hounsfield units in contrast enhanced and unenhanced images in different phases, and these ratios were compared between the D-GIST and G-GIST groups. Furthermore, microvessel density, analyzed by immunohistochemical staining for CD31, was compared between the D-GIST and G-GIST groups. The contrast ratio of D-GIST was significantly higher than that of G-GIST in the arterial, portal and delayed phases (P<0.01, P<0.01 and P=0.02, respectively). The microvessel density of the D-GISTs was significantly higher than that of the G-GISTs (P<0.0001). D-GISTs were more hypervascular than G-GISTs on both imaging and pathological analyses.

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Gastrointestinal stromal tumors presenting as gynecological masses: usefulness of multidetector computed tomography

Abstract: Large extraluminal gastrointestinal tumors (GISTs

Cited by 16 publications

References 13 publications

Large Extraluminal Leiomyoma of the Rectum in a Patient Presenting With Decreasing Stool Caliber

Large Extraluminal Leiomyoma of the Rectum in a Patient Presenting With Decreasing Stool Caliber

Giant Fibroid Mimicking a Gastrointestinal Stromal Tumor: A Diagnostic Dilemma

Gastrointestinal stromal tumors in the duodenum show increased contrast enhancement compared with those in the stomach on computed tomography

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