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1.
Shinya Yura Shintaro Terahata Noritaka Ohga Tomomi Yamashita 《Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics》2007,103(6):820-824
A 54-year-old man presented with an 8-year history of a hard asymptomatic mass of the left submandibular area. Total excision of the left submandibular gland with radical neck dissection was performed under a diagnosis of a submandibular tumor, probably a malignant mixed tumor. The pathologic diagnosis was carcinosarcoma consisting of carcinomatous and sarcomatous elements. The epithelial component was composed of squamous cell carcinoma, undifferentiated carcinoma, and adenocarcinoma. The nonepithelial component was composed of chondrosarcoma, osteosarcoma, spindle cell sarcoma, rhabdomyosarcoma, and liposarcoma. In the central area of the tumor, a few remnants of benign pleomorphic adenoma were identifiable. The finding suggested that in our patient, the carcinosarcoma arose from a preexisting pleomorphic adenoma. In view of the expected aggressive nature of the tumor, the patient was treated with postoperative radiotherapy of 60 Gy total, in 30 daily fractions of 2 Gy, and chemotherapy. He currently remains well and free of disease 24 months after treatment. 相似文献
2.
Y Mizukami T Michigishi A Nonomura T Hashimoto S Terahata M Noguchi K Hisada F Matsubara 《Human pathology》1990,21(3):283-290
Of 514 patients with differentiated thyroid carcinoma treated between 1970 and 1987, 34 (6.6%) had distant metastases. Twelve patients died of their distant metastases; eight of these patients died within 5 years from the time of initial diagnosis. Death from cancer was most frequent in the seventh decade. The metastases were most often found in the lungs and bones. In the fatal group, pleural, brain, and pericardial metastases were noted. Local recurrences were found only in 24% of these 34 patients. Histologic types of primary thyroid tumors and metastatic tumors were reexamined and classified using our criteria, which were mainly based on the World Health Organization nomenclature and currently obtained pathologic observations of thyroid tumors. In 31 thyroid tumors, the surgical specimens were available for review. Twenty-four tumors were papillary and seven were follicular. Of the 24 papillary carcinomas, nine were follicular, eight were well-differentiated, and seven were trabecular. On the other hand, the seven follicular carcinomas consisted of four well-differentiated, two solid, and one oxyphilic. The majority of the thyroid tumors showed an extrathyroidal extension; however, two were intrathyroidal carcinomas and two were encapsulated carcinomas, larger than 5 cm in diameter. Distant metastases were confirmed morphologically in 18 patients (11 by surgical or biopsy material, five by autopsy, and two by cytology). The histologic types of metastatic tumors were consistent with those of primary thyroid tumors. Diagnostic 131I uptake was examined in 32 patients and absorption of diagnostic 131I in metastatic tumors was demonstrated in 21 patients. The 10-year survival rate of patients with 131I accumulating metastases (70%) was significantly better than that of patients with metastases lacking such uptake (40%). Immunoreactivity for thyroglobulin in metastatic tumors was correlated with the 131I absorption. This finding indicated that immunostaining of thyroglobulin in metastatic tumors might be useful in the prediction of the effectiveness of 131I therapy. 相似文献
3.
4.
Histochemical and ultrastructural observations on brown degeneration of human intervertebral disc 总被引:2,自引:0,他引:2
Thirty-eight fresh human intervertebral discs collected during anterior interbody fusion surgery were histochemically and ultrastructurally analyzed for pigments. Macroscopically, five stages of degeneration were classified according to the color, fibrosis, and fragility of the nucleus pulposus of the discs. In order to demonstrate lipofuscin granules, specimens were subjected to special staining procedures, including carbol fuchsin lipofuscin stain, the Schmorl's reaction, and autofluorescence. Lipofuscin granules were distributed from the inner layer of the annulus fibrosus to the nucleus pulposus. Such granules were numerous in cases of slight or severe degeneration, whereas fewer granules were found in cases of moderate degeneration. However, the stage of macroscopic degeneration of the intervertebral disc did not necessarily correlate with the incidence of lipofuscin granules. By ultrastructural observation, the morphological features of the components of the intervertebral disc and the ultrastructure of the lipofuscin granule were clarified. The ultrastructure of the "brown degeneration" disc exhibited markedly increased amorphous electron-dense bodies located among collagen fibrils in the matrix. 相似文献
5.
Matano S Kinoshita H Tanigawa K Terahata S Sugimoto T 《Internal medicine (Tokyo, Japan)》2003,42(9):903-905
A Japanese woman developed prolonged fatigue, neck and shoulder pain, headache, pyrexia, insomnia, anorexia, lymphadenopathy, and diarrhea for two months. She had experienced various stressors before these symptoms developed. Serological test demonstrated that she had acute parvovirus B19 infection. Major depressive disorder was also diagnosed by a psychiatrist. Her symptoms disappeared after administration of selective serotonin reuptake inhibitors and oriental herbs, although human parvovirus B19 viral genome has been present in her serum for nine months. These findings suggest that parvovirus B19 causes clinical features similar to those of chronic fatigue syndrome in cases who have prior life stressors. 相似文献
6.
Taki S Terahata S Yamashita R Kinuya K Nobata K Kakuda K Kodama Y Yamamoto I 《Clinical imaging》2004,28(5):368-371
We investigated the incidence of cancer in surgically resected 151 thyroid nodules in 101 patients according to their calcification patterns on preoperative ultrasonography (US). Calcification was detected in 57 (38%) nodules, 31 (54%) of which was histologically diagnosed as cancer. According to the calcification types, 9 of 11 nodules with microcalcifications, 15 of 29 nodules with intranodular coarse calcification, 6 of 14 nodules with peripheral calcification and 1 of 3 calcified spots without surrounding tumor were diagnosed as cancer. 相似文献
7.
Masakuni Noguchi Shigehiro Tanaka Takayoshi Akiyama Itsuo Miyazaki Takatoshi Michigishi Norihisa Tonami Kin-ichi Hisada Shintaroh Terahata Fujitsugu Matsubara 《Surgery today》1984,14(2):110-117
Clinicopathological studies were carried out on 27 patients with minimal thyroid cancer and 56 with ordinary thyroid cancer
at Kanazawa University, from April, 1979 to December, 1982. There was a significant difference in the rate of preoperative
diagnosis between the minimal and the ordinary cancer groups. Subtotal thyroidectomy with modified neck dissection was usually
performed in both groups. The histological types in minimal cancer group included 16 papillary carcinomas, 7 nonencapsulated
sclerosing carcinomas, one follicular carcinoma, one anaplastic carcinoma with squamous cell metaplasia and two multiple mixed
carcinomas. There was no significant difference in the rates of intrathyroidal and lymph node metastases between the two groups.
While the metastatic lesions of sclerosing carcinoma were localized to the central cervical lymph nodes, the ordinary cancer
in general and the papillary variant of minimal cancer metastasized not only to the central cervical lymph nodes but also
to the ipsilateral and even to the contralateral jugular lymph nodes. 相似文献
8.
We report a case of multiple ileal diverticula causing an ileovesical fistula in an 85-year-old man. The patient was admitted
for investigation and treatment of intractable urethrocystitis, which he had suffered for 5 years. Cystography showed an ileovesical
fistula, and contrast study of the small bowel revealed about 80 diverticula in the ileum. The segment involved by diverticula
was resected and a pathological diagnosis of diverticulitis leading to ileovesical fistula was confirmed. His postoperative
clinical course was uneventful.
Received: September 13, 2001 / Accepted: March 5, 2002 相似文献
9.
The siblings and parents of 40 patients (cases) with lumbar disc herniation (aged 18 years or younger) who underwent surgery at the Department of Orthopaedics at Toyama Medical and Pharmaceutical University Hospital between 1976 and 1990 were examined for incidence of lumbar disc herniation. A total of 120 randomly sampled, age- and sex-matched patients (controls) who were hospitalized during the same period due to extraspinal diseases also were studied in the same manner. A survey of the occurrence of definite lumbar disc herniation was carried out that included 75,237 students in elementary, junior high, and senior high schools in Toyama Prefecture, Japan, covering a mean period of 3 years and 4 months. The incidence of surgically treated lumbar disc herniation among people aged 18 years or younger was calculated, and the expected value of disc herniation was obtained in an age-specific manner, on the basis of the age distribution of encumbrances in the above case-control study. The encumbrances of 18-year-old or younger patients with lumbar disc herniation showed familial predisposition, with an odds ratio of 5.61 in comparison to the controls. It was suggested that there is familial clustering of lumbar disc herniation among the encumbrances of 18-year-old or younger patients with lumbar disc herniation. 相似文献
10.
Over an 8-year period, we performed ultrasonography (US)-guided core biopsy of the salivary gland in 37 patients using an 1l-mm-throw 18-gauge automated biopsy system. The biopsy results were retrospectively compared with the findings of surgical pathology (n=18) or more than 6 months of clinical follow-up (n=19). The sensitivity, specificity, and accuracy of US-guided core biopsy for the diagnosis of malignancy were 75.0%, 96.6%, and 91.9%, respectively. No immediate or delayed complications occurred. 相似文献