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Biomedical subjects

E Ishizuka

Publications and source records attributed to E Ishizuka.

8 recordsLinked to original sources

[A case of intrascrotal hemangioma].

Intrascrotal hemangioma is rare. A case is presented and the literature is reviewed. A 35 year-old male with the complaint of a painless right scrotal mass underwent right high orchiectomy because the mass was hard and difficult to separate from the right testicle in scrotal exploration. Histologic study revealed that the tumor consisted of a venous hemangioma and the greater part of it was displaced by organized connective tissue. It is extremely rare for a case of intrascrotal hemangioma to require orchiectomy.

Adult

[A case of renal cell carcinoma similar to rhabdoid tumor of kidney in an adult; trial of radiation and chemotherapy].

We report a case of sarcomatoid renal cell carcinoma in a 30-year-old woman. The pathological findings indicated renal cell carcinoma (solid sarcomatoid and pleomorphic type) similar to malignant rhabdoid tumor of kidney (MRTK). We treated her with combination chemotherapy (vincristine, adriamycin, cyclophosphamide and actinomycin D) and local irradiation after nephrectomy. The number of bone metastatic foci increased and brain metastasis occurred. However, irradiation was effective on each focus. She died 8 months after the operation caused by brain metastasis. We conclude that sarcomatoid renal cancer is highly malignant and chemotherapy-resistant, but radiation may be partially effective.

Adult

[A case of retroperitoneal cavernous lymphangioma with the content of chylous fluid].

We report a case of retroperitoneal lymphangioma in a 26-year-old man whose chief complaint was lumbar discomfort. Ultrasonography revealed pararenal cyst on his left side. At the operation, we discovered a cystic tumor between peritoneum and Gerota's fascia. Pathological study indicated cavernous lymphangioma containing chylous fluid. There has been no recurrence for a year after the operation.

Adult

[Treatment of priapism by caverno-spongio-anastomosis].

We experienced two cases of priapism; one, idiopathic and low flow type, the other post-traumatic and high flow type. We tried caverno-spongio-anastomosis (CSA) as an operative treatment in both cases. Postoperative courses were uneventful. We suggest that CSA is a simple and reliable treatment of priapism.

Adult

Continuous intercostal nerve block for pain relief after lumbar incision.

To relieve postoperative pain along a lumbar incision in 9 patients the intercostal nerves were blocked with catheters for continuous epidural anesthesia. The catheters were inserted near the intercostal nerves, above and beneath the incision, just before the wound was closed and 0.25% bupivacaine hydrochloride solution was infused periodically through the catheters. With this technique 5 of 9 patients had a satisfactory analgesic effect and could breathe deeply or cough without pain. The other 4 patients did not have satisfactory results and this was believed to be owing to inadequate insertion of the catheters. None of the patients had any complications. The technique is simple and can produce an analgesic effect repeatedly without causing pain for the patient.

Humans

Cystoplasty by regeneration of the bladder.

Herein we describe a new method for cystoplasty, making use of the regenerating ability of the bladder. The contracted bladder is opened with a crucial incision and enlarged by placing thin paper covered with liquid synthetic resin (nobecutane) like a cap over the opened bladder tissue. Within 3 to 4 weeks granulated tissue completely covers the artificial cap, which is then removed transurethrally. Thereafter, the bladder regenerates on its own. The operation has been done at our hospital from 1970 to 1975 on 13 patients with contracted bladders owing to various pathologic conditions. Excellent results have been obtained on 11 patients with tuberculous contracted bladders. These 11 patients have regained normal bladder capacity and are able to void normally through the urethra. The technique has not been effective in 2 patients with interstitial cystitis, caused by generalized collagen disease in 1.

Adolescent