Biomedical subjects

M Matsumori

Publications and source records attributed to M Matsumori.

10 recordsLinked to original sources

PubMed1992

A two-stage operation successfully performed for giant leiomyosarcoma of the esophagus with hepatic metastasis.

Leiomyosarcoma of the esophagus is a rare neoplasm, with only 95 cases having been reported in the literature. Dysphagia is the most commonly noted symptom, however, because of its location in the submucosal layer, the tumor has usually grown to a considerable size by the time this presents. We report herein a case of a 39-year-old man who had no symptoms other than a 7 month history of a cough. After several investigations, the patient underwent resection of the thoracic and abdominal esophagus with lower lobectomy of the right lung through a right and left thoracotomy. The tumor measured 18 x 15 x 8 cm in length and weighed 1,500 g, being the biggest such tumor ever reported. Forty days after the first operation, an extended right hepatic lobectomy of the liver was performed for hepatic metastasis. He was discharged from the hospital 20 days after the second operation and is now doing well. The clinical features and surgical treatment of leiomyosarcoma of the esophagus are discussed herein.

Adult↗

PubMed1992

[A successful repair of the left ventricular rupture and tracheo-esophageal fistula complicated after mitral valve replacement--a case report].

A 59-year-old woman having mitral stenosis with left atrial thrombus, was admitted to our department and uneventful mitral valve replacement was performed. After weaning from the cardiopulmonary bypass, massive pericardial bleeding was encountered and the heart soon arrested. CPB was reinstituted after thirty minutes. The diagnosis was the left ventricular rupture (Miller Type III), and the direct closure was successfully performed. The patient was complicated with renal and heart failures, which were well managed by the peritoneal dialysis and intraaortic balloon pumping. Long-term intratracheal intubation, however, was required due to the respiratory failure, and tracheostomy was done on the seventeenth postoperative day. The patient was also complicated with mediastinitis, the cause of which was considered to be the tracheo-esophageal fistula (TEF) diagnosed by esophagoscopy and bronchoscopy. Gastrostomy and continuous mediastinal lavage were performed but the TEF was not closed. Thus, the direct suture of the esophageal fistula orifice and the resection of four tracheal rings followed by the direct end-to-end anastomosis were performed on the 102nd postoperative day. After the second operation, the patient greatly improved, and was discharged eighty-seven days later, presenting only slight LV posterior wall hypokinesis but no tracheal stenosis.

Female↗

PubMed1992

[A case of pheochromocytoma in pregnancy].

A 29-year-old woman was referred to our hospital at the 34th week of her first pregnancy with a diagnosis of severe pregnancy-induced hypertension. A diagnosis of pheochromocytoma was made by elevated values of serum and urinary noradrenaline. Ultrasonography and computed tomography revealed a left adrenal tumor. Caesarean section combined with removal of the tumor at the 36th week of gestation was performed with a satisfactory result obtaining a healthy mother and an infant. Current management of patients with a pheochromocytoma during pregnancy is discussed.

Adrenal Gland Neoplasms↗

PubMed1991

Metastasis of cancer to cancer: report of a case of esophageal carcinoma metastasizing to early gastric cancer.

A rare case of esophageal carcinoma metastasizing to early gastric cancer is reported herein. A 66 year old man who had experienced dysphagia for 8 months was preoperatively diagnosed as simultaneously having esophageal and gastric cancers. Thus, a lower esophagectomy and total gastrectomy with paraesophageal and paragastric lymph node dissection were performed. The surgical specimen revealed an ulcerative tumor in the lower esophagus and a slightly depressed lesion with a central elevation similar to that of early type IIc + IIa gastric cancer in the upper part of the stomach. Microscopically, the esophageal tumor was revealed to be well differentiated squamous cell carcinoma while the gastric tumor was found to be early gastric cancer with a metastatic focus of esophageal cancer in the center. Though less than one hundred cases of metastasis of cancer to cancer have previously been reported, metastasis from cancer of one digestive organ to that of another digestive organ is very rare. To our knowledge, this report represents the first case of an esophageal carcinoma metastasizing to a gastric carcinoma.

Adenocarcinoma↗

PubMed1979