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Gastric leiomyoma

Case contributed by Dr Bruno Di Muzio


History of epigastric discomfort and anemia.

Patient Data:

Age: 76
Gender: Male

CT Abdomen

Modality: CT

On the lower portion of the stomach there are a homogeneous low attenuation polypoid intraluminal mass with well-defined margin and smooth surface. There is no evidence of invasion or obstruction. 

Case Discussion:

Gastric leiomyoma is the most common benign tumour of the stomach occurring in middle age. Most leiomyomas of stomach are asymptomatic but ulceration may cause pain and signs of gastrointestinal bleeding.

The tumour is normally characterised as:

  • solitary mass
  • in the lower half of the stomach but may also be seen in the fundus
  • smaller than 3 cm, but occasionally may be large at the time of diagnosis
  • with ulceration of the mucosa overlying the tumour in 50 to 70%

Most gastric leiomyomas present as endogastric submucosal lesions and may be pedunculated but some, originating from the serosa, develop mainly as exogastric masses.

Case confirmed by endoscopy and pathology.

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