Summary
-
1.
Seventy cases of the leiomyogenic tumors were found in 5451 resected stomachs; 49 leimyoma, 17 leiomyosarcoma and 4 Ieiomyoblastoma. These leiomyogenic tumors occupied 40.5% of 173 submucosal tumors of the stomach.
-
2.
The average age was 51.7 in leiomyoma, 57.3 in leiomyosarcoma and 41.6 in leiomyoblastoma with male predominance.
-
3.
The leiomyoma and leimyosarcoma were frequently found in the upper 2/3 of the stomach.
-
4.
The size of the tumors was within 3 cm in diameter in about 80% of leiomyoma with ulcer formation of 10.2% and over 3 cm in about 88% of leiomyosarcoma with ulcer formation of 64.7%.
-
5.
The classification of the the leiomyogenic tumors into the benign and malignant was occationally difficult. For the diagnosis of the leiomyosarcoma, the number of mitosis, irregularity of nucleus, increase of cellularity and decrease of smooth muscle production were helpful.
Similar content being viewed by others
Referencies
Inoue S: Gastric submucosal tumors. Jpn J Gastroenterol 72: 444–451, 1975
Marshall SF, Meisner WA: Sarcoma of the stomach. Ann Surg 131: 824–829, 1950
Marshall SF, Cherry JW: Smooth muscle tumors of the alimentary canal. S Clin N Am 34: 719–725, 1955
Golden T, Stout AP: Smooth muscle tumors of the gastrointestinal tract and retroperitoneal tissues. SGO 73: 784–790, 1941
Meissner WA: Leiomyoma of the stomach. Arch Pathol 38: 207–212, 1944
Palmer ED: Benign intramural tumors of the stomach. Medicine 30: 81–87, 1951
Crocker DW: Smooth muscle tumors of the stomach. Ann Surg 170: 239–2244, 1969
Nakamura K: Pathology of the gastric carcinoma. Kinpodo Tokyo 239p, 1972
Appelmann HD: Gastric epithelioid leiomyoma and leiomyosarcoma (leiomyoblastoma). Cancer 38: 708–717, 1976
Sano R: Clinical Pathology of the gastric diseases. Igaku Shoin Tokyo, 1974
Welch JP: Smooth muscle tumors of the stomach. Am JSurg 130: 279–285, 1975
Kavlie H: Leiomyomas of the upper gastrointestinal tract. Surgery 71: 842–848, 1972
Venkat JB: Gastrointestinal leiomyomas. Amer J Gastroenterol 63: 249–255, 1975
Skandalakis JE, et al: Smooth muscle tumors of the stomach. SGO 110: 209–215, 1960
Salazer H, Totten RS: Leiomyoblastoma of the stomach. Cancer 25: 176–181, 1970
Stout AP: Bizarre smooth muscle tumors of the stomach. Cancer 15: 400–406, 1962
Martini JF, et al: Tumours myoides intramurales de lé stomach. Ann Anat Pathol 5: 484–491, 1960
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Yamagiwa, H., Matsuzaki, O., Ishihara, A. et al. Clinicopathological study of gastric leiomyogenic tumors. Gastroenterol Jpn 13, 272–280 (1978). https://doi.org/10.1007/BF02774050
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF02774050