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Biomedical subjects

N Hanamura

Publications and source records attributed to N Hanamura.

At least 37 records · Page 2Linked to original sources

The usefulness and significance of naso-pharyngo-laryngo-tracheal fiberscopy in thyroid surgery.

The authors conducted naso-pharyngo-laryngo-tracheal fiberscopic examinations before and after thyroid surgery. Preoperative examination included an inspection of vocal cord movement, the compression and deformity of the trachea caused by goiters, changes in the color of the tunica mucosa tracheae, and the presence of tumorous invasion. Postoperatively, this method was employed primarily to determine the presence of recurrent laryngeal nerve paralysis, changes in the tracheal mucosa caused by manipulations in thyroid surgery and in cases in which surgery involved the tracheal wall, and to inspect the treated condition at the original tracheal site and detect the presence of possible recurrences. The manipulations can be easily carried out, causing little pain, and the procedure is economically feasible. Since it can provide more useful information than any other examination method, the active use of endoscopic examination by surgeons themselves at numerous facilities would appear desirable.

Endoscopy↗

[A case of bilateral metastatic breast carcinoma from gastric carcinoma].

The patient was a 48-year-old woman who had undergone radical surgery for gastric carcinoma in 1981. Seventeen months after the operation, recurrence of gastric carcinoma at the anastomotic stoma was found, and total gastrectomy was performed. Fourteen months after the second operation, she was revealed to have bilateral breast tumors and underwent exploratory excision. Histological examination suggested primary malignant tumor of the breast. Bilateral standard radical mastectomy was done seven days after the excision. Final histological examination revealed metastatic breast cancer originating from the stomach. She died from general metastasis seven months after the radical mastectomy in spite of adjuvant immunochemotherapy.

Adenocarcinoma, Mucinous↗

[RI angiography with 99mTc and 201T1-chloride scintigraphy in determining the effectiveness of intra-arterial infusion in chemotherapy of locally advanced and recurrent breast cancer].

Eleven patients with local advanced and recurrent breast cancer were treated preoperatively with intraarterial infusion of chemotherapeutic agents. After the treatment, nine patients underwent radical mastectomy. RI angiography with 99mTc is a useful procedure for determining the correct position of the tips of an inserted cannula. The results of 201Tl-chloride scintigraphy have been found to be closely consistent with the results of the resected specimen histologically. Therefore, 201Tl-chloride scintigraphy is also a quite useful procedure for determining the effects of intraarterial infusion in cancer chemotherapy.

Adult↗

[Medical images; the clinical significance of the medical images of thyroid cancer].

Supplementary diagnosing methods for thyroid cancer were discussed, with particular reference to medical images. Although palpation is, of course, essential in the examination of nodules, we have also used soft X-rays and I-123 scintigraphy, as well as Tl-201 scintigraphy, ultrasonography and aspiration biopsy. In addition, various diagnosing methods have been employed to determine the degree of invasion in advanced cancer patients, such as CT scan for observing invasion of the surrounding tissues, naso-tracheoscopy for invasion of the trachea and a flow meter for vascular tracts. When the tumor size is under 2 cm, we use soft X-rays, ultrasonography and sometimes try additional aspiration biopsy. When the tumor is smaller, aspiration biopsy is employed with ultrasonography. For tumors larger than 2 cm, we use soft-X-rays, I-123 scintigraphy and ultrasonography. Tl-201 scintigraphy is employed to determine operative indication, following which aspiration biopsy and CT scan are performed. CT scan, tracheofiberscopy and doppler flow studies are carried out for advanced cancer cases to determine the degree of invasion of carcinomas.

Adenocarcinoma↗