| JaLCDOI | 10.18926/AMO/55210 |
|---|---|
| FullText URL | 71_3_259.pdf |
| Author | Kawana, Shinichi| Yamamoto, Hiromasa| Maki, Yuho| Sugimoto, Seiichiro| Toyooka, Shinichi| Miyoshi, Shinichiro| |
| Abstract | Primary sternal chondrosarcoma is a rare malignant tumor that is refractory to chemotherapy and radiation. Effective therapy is radical resection of the tumor. We present two patients with primary sternal chondrosarcoma who underwent a radical resection of the lower half of the sternum and bilateral ribs, followed by reconstruction with 2 sheets of polypropylene mesh layered orthogonally. The patients have maintained almost the same pulmonary function as preoperative values, with stability of the chest wall. Although there are various ways to reconstruct the anterior chest wall, reconstruction with polypropylene mesh layered orthogonally is an easy-to-use and sufficient method. |
| Keywords | chondrosarcoma sternum reconstruction polypropylene mesh |
| Amo Type | Case Report |
| Publication Title | Acta Medica Okayama |
| Published Date | 2017-06 |
| Volume | volume71 |
| Issue | issue3 |
| Publisher | Okayama University Medical School |
| Start Page | 259 |
| End Page | 262 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| Copyright Holders | CopyrightⒸ 2017 by Okayama University Medical School |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 28655947 |
| JaLCDOI | 10.18926/AMO/55209 |
|---|---|
| FullText URL | 71_3_255.pdf |
| Author | Kumase, Fumiaki| Morizane, Yuki| Kimura, Shuhei| Toshima, Shinji| Shiraga, Fumio| |
| Abstract | Parafoveal retinal holes (PRHs) are one of the complications that can occur after internal limiting membrane (ILM) peeling during macular surgery. Here we describe a patient in whom an exceptionally large PRH (1,069-μm dia.) was successfully closed by repeated autologous ILM transplantation. |
| Keywords | autologous internal limiting membrane transplantation parafoveal retinal hole, macular surgery |
| Amo Type | Case Report |
| Publication Title | Acta Medica Okayama |
| Published Date | 2017-06 |
| Volume | volume71 |
| Issue | issue3 |
| Publisher | Okayama University Medical School |
| Start Page | 255 |
| End Page | 257 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| Copyright Holders | CopyrightⒸ 2017 by Okayama University Medical School |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 28655946 |
| JaLCDOI | 10.18926/AMO/55208 |
|---|---|
| FullText URL | 71_3_249.pdf |
| Author | Washio, Kana| Muraoka, Michiko| Kanamitsu, Kiichiro| Oda, Megumi| Shimada, Akira| |
| Abstract | We diagnosed a female infant with Langerhans cell histiocytosis (LCH) who was refractory to conventional chemotherapy. She showed refractory inflammation that was complicated with hemophagocytic lymphohistiocytosis (HLH) during LCH chemotherapy; therefore, we changed the protocol to HLH2004 (dexamethasone, cyclosporine A and VP16). However, there were no signs of hematological recovery. We therefore performed cord blood transplantation with reduced-intensity conditioning, and she achieved complete remission for over 2 years. As salvage therapy for refractory LCH, hematopoietic stem cell transplantation may be a good therapeutic choice, especially when LCH is complicated with HLH. |
| Keywords | langerhans cell histiocytosis (LCH) hemophagocytic lymphohistiocytosis (HLH) hematopoietic stem cell transplantation (HSCT) reduced-intensity conditioning (RIC) refractory |
| Amo Type | Case Report |
| Publication Title | Acta Medica Okayama |
| Published Date | 2017-06 |
| Volume | volume71 |
| Issue | issue3 |
| Publisher | Okayama University Medical School |
| Start Page | 249 |
| End Page | 254 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| Copyright Holders | CopyrightⒸ 2017 by Okayama University Medical School |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 28655945 |
| JaLCDOI | 10.18926/AMO/55207 |
|---|---|
| FullText URL | 71_3_241.pdf |
| Author | Iwamuro, Masaya| Tanaka, Shouichi| Moritou, Yuki| Inaba, Tomoki| Higashi, Reiji| Kusumoto, Chiaki| Yunoki, Naoko| Ishikawa, Shin| Okamoto, Yuko| Kawai, Yoshinari| Kitada, Ken-ichi| Takenaka, Ryuta| Toyokawa, Tatsuya| Okada, Hiroyuki| |
| Abstract | Most gastric bezoars can be treated with endoscopic fragmentation combined with or without cola dissolution, whereas laparotomy or laparoscopic surgery is generally inevitable for small intestinal bezoars because they cause small bowel obstruction. Therefore, early diagnosis and management of gastric bezoars are necessary to prevent bezoar-induced ileus. To investigate the incidence of overlooked gastric bezoars during the initial esophagogastroduodenoscopy, we retrospectively reviewed the cases of 27 patients diagnosed with gastrointestinal bezoars. The bezoars were diagnosed using esophagogastroduodenoscopy (n=25), abdominal ultrasonography (n=1), and barium follow-through examination (n=1). Bezoars were overlooked in 9/25 patients (36.0%) during the initial endoscopy examination because the bezoars were covered with debris in the stomach. Of the 9 patients, 8 had concomitant gastric ulcers, and the other patient had gastric lymphoma. Although a computed tomography (CT) scan was performed before the second-look endoscopy in 8 of the 9 patients, the bezoars were mistaken as food debris on CT findings and were overlooked in these patients. In conclusion, gastric bezoars may not be discovered during the initial esophagogastroduodenoscopy and CT scan. In cases with debris in the stomach, second-look endoscopy is essential to detect bezoars. |
| Keywords | bezoar gastric ulcer foreign bodies phytobezoar |
| Amo Type | Original Article |
| Publication Title | Acta Medica Okayama |
| Published Date | 2017-06 |
| Volume | volume71 |
| Issue | issue3 |
| Publisher | Okayama University Medical School |
| Start Page | 241 |
| End Page | 247 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| Copyright Holders | CopyrightⒸ 2017 by Okayama University Medical School |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 28655944 |
| JaLCDOI | 10.18926/AMO/55206 |
|---|---|
| FullText URL | 71_3_233.pdf |
| Author | Shimoyama, Kyoko| Osako, Tomo| Mitsuhashi, Toshiharu| Akiyama, Futoshi| Iwase, Takuji| |
| Abstract | Ductal carcinoma in situ (DCIS) of the breast has no potential to metastasize, but over 20% of cases preoperatively diagnosed as DCIS are upstaged on final pathology. The rates of upstaging and the predictors for invasion on final pathology were evaluated. For 240 primary breast cancers, radiological findings on mammography, ultrasonography, and magnetic resonance imaging were investigated along with pathological and clinical information. Univariate and multivariate analyses were performed to identify predictors of potential invasion. Of the 240 breast cancers, 68 (28.3%) showed invasion on final pathology, and 5 (2.5%) had sentinel node metastasis. The multivariate analysis identified five independent predictors: non-mass lesions >2.4 cm on ultrasonography (odds ratio [OR] 2.84, 95% confidence interval [CI] 1.02-7.95, p=0.047), comedo-type histology (OR 6.89, 95% CI 1.89-25.08, p<0.01), solid-type histology (OR 7.97, 95% CI 2.08-30.49, p<0.01), palpable mass (OR 2.63, 95% CI 1.05-6.64, p=0.04), and bloody nipple discharge (OR 4.61, 95% CI 1.20-17.66, p=0.02). These five predictors were associated with invasion on final pathology and may help select candidates for sentinel node biopsy. |
| Keywords | breast cancer DCIS breast needle biopsy imaging examination sentinel node biopsy |
| Amo Type | Original Article |
| Publication Title | Acta Medica Okayama |
| Published Date | 2017-06 |
| Volume | volume71 |
| Issue | issue3 |
| Publisher | Okayama University Medical School |
| Start Page | 233 |
| End Page | 240 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| Copyright Holders | CopyrightⒸ 2017 by Okayama University Medical School |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 28655943 |
| JaLCDOI | 10.18926/AMO/55205 |
|---|---|
| FullText URL | 71_3_227.pdf |
| Author | Sasaki, Katsumi| Wada, Koichiro| Araki, Motoo| Kobayashi, Yasuyuki| Sugimoto, Morito| Ebara, Shin| Watanabe, Toyohiko| Nasu, Yasutomo| |
| Abstract | We elucidate the fate of cases clinically suspected of carcinoma in situ (Cis) of the upper tract with serial ureteroscopy. Of 143 patients who underwent ureteroscopy for suspected upper tract urothelial carcinoma (UTUC) between January 2008 and February 2016, 12 cases with consistently positive urine cytology and poorly detectable upper-tract malignancies by imaging were reviewed. In these 12 patients, 19 ureteroscopy procedures (25 renal units) were performed. Vesical random biopsy was performed before the 1st ureteroscopy to exclude malignancy of the bladder in all 12 cases. Median follow-up was 42 (13-67) months. Positive biopsy results at the 1st ureteroscopy were obtained in 3 (25%) patients and all were diagnosed wth Cis of the upper tract. Two (17%) of 9 patients who were negative or inconclusive at the 1st ureteroscopy were finally diagnosed as UTUC, but plural ureteroscopy procedures were needed for the diagnoses in both. Carcinoma of the bladder appeared in 5 (42%) patients during follow-up, despite the earlier ruling out of vesical malignancy. Four (33%) of those 5 patients never developed upper-tract urothelial carcinoma during follow-up. Caution is required before undertaking radical surgery for cases clinically suspected of Cis of the upper tract. In our experience, only 42% of such patients developed UTUC; another 33% eventually developed carcinoma of the bladder without UTUC. |
| Keywords | carcinoma in situ carcinoma of the bladder upper tract urothelial carcinoma ureteroscopy urine cytology |
| Amo Type | Original Article |
| Publication Title | Acta Medica Okayama |
| Published Date | 2017-06 |
| Volume | volume71 |
| Issue | issue3 |
| Publisher | Okayama University Medical School |
| Start Page | 227 |
| End Page | 232 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| Copyright Holders | CopyrightⒸ 2017 by Okayama University Medical School |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 28655942 |
| JaLCDOI | 10.18926/AMO/55204 |
|---|---|
| FullText URL | 71_3_219.pdf |
| Author | Takakura, Hiroaki| Domae, Shohei| Ono, Toshiro| Sasaki, Akira| |
| Abstract | Anticancer drugs induce cell-cycle arrest and apoptosis not only in tumor cells, but also in immune cells. However, many preclinical and clinical findings show that some chemotherapeutic agents can improve the antitumor efficacy of immunotherapy. We immunohistochemically analyzed the degree of immune cell infiltration and the relevance of programmed cell death 1 ligand-1 (PD-L1) expression in surgically resected oral squamous cell carcinoma (OSCC) specimens from patients who had undergone pretreatment with certain chemotherapies and other patients without pretreatment. We divided the patients into the group of neoadjuvant chemotherapy (NAC) patients (n=8) and the nNAC (without NAC) patient group (n=10). We observed that NAC induced infiltrations of CD4, CD8 T cells and CD56 NK cells into the tumor microenvironment. Decreased numbers of Tregs and PD-1-positive cells were observed in the NAC group. No significant difference was observed in the degree of immune-cell infiltration between the patient groups except for CD56 NK cells in the stroma and PD-1 cells in cancer nests. Eighty percent of the nNAC specimens showed intermediate-to-strong PD-L1 protein expression, whereas 75% of the NAC specimens showed down-regulation of the PD-L1 protein, indicating the effectiveness of the chemotherapeutic treatment before surgery. |
| Keywords | oral squamous cell carcinoma programmed cell death 1 ligand-1 tumor microenvironment neoadjuvant chemotherapy immunohistochemistry |
| Amo Type | Original Article |
| Publication Title | Acta Medica Okayama |
| Published Date | 2017-06 |
| Volume | volume71 |
| Issue | issue3 |
| Publisher | Okayama University Medical School |
| Start Page | 219 |
| End Page | 226 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| Copyright Holders | CopyrightⒸ 2017 by Okayama University Medical School |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 28655941 |
| JaLCDOI | 10.18926/AMO/55203 |
|---|---|
| FullText URL | 71_3_209.pdf |
| Author | Xin, Zhao| Tsuda, Toshihide| Doi, Hiroyuki| |
| Abstract | We evaluated how exposure to airborne volatile organic compounds emitted from a plastic recycling facility affected nearby residents, in a cross-sectional study. Individuals>10 years old were randomly sampled from 50 households at five sites and given questionnaires to complete. We categorized the subjects by distance from the recycling facility and used this as a proxy measure for pollutant exposure. We sought to improve on a preceding study by generating new findings, improving methods for questionnaire distribution and collection, and refining site selection. We calculated the odds of residents living 500 or 900 m away from the facility reporting mucocutaneous and respiratory symptoms using a reference group of residents 2,800 m away. Self-reported nasal congestion (odds ratio=3.0, 95% confidence interval=1.02-8.8), eczema (5.1, 1.1-22.9), and sore throat (3.9, 1.1-14.1) were significantly higher among residents 500 m from the facility. Those 900 m away were also considerably more likely to report experiencing eczema (4.6, 1.4-14.9). Air pollution was found responsible for significantly increased reports of mucocutaneous and respiratory symptoms among nearby residents. Our findings confirm the effects of pollutants emitted from recycling facilities on residents’ health and clarify that study design differences did not affect the results. |
| Keywords | air pollutants volatile organic compounds recycling facility mucocutaneous symptoms respiratory symptoms |
| Amo Type | Original Article |
| Publication Title | Acta Medica Okayama |
| Published Date | 2017-06 |
| Volume | volume71 |
| Issue | issue3 |
| Publisher | Okayama University Medical School |
| Start Page | 209 |
| End Page | 217 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| Copyright Holders | CopyrightⒸ 2017 by Okayama University Medical School |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 28655940 |
| JaLCDOI | 10.18926/AMO/55202 |
|---|---|
| FullText URL | 71_3_201.pdf |
| Author | Matsuda, Miwa| Sasaki, Aiko| Shimizu, Keiko| Kamada, Yasuhiko| Noguchi, Soichi| Hiramatsu, Yuji| Nakatsuka, Mikiya| |
| Abstract | Vascular dysfunction has been reported in women with recurrent pregnancy loss (RPL). We investigated the severity of vascular dysfunction in non-pregnant women with RPL and its correlation with anti-heat shock protein (HSP) antibodies that are known to induce arteriosclerosis. We measured the serum anti-HSP60 antibodies, anti-HSP70 antibodies, and anti-phospholipid antibodies (APA) in 68 women with RPL and 29 healthy controls. Among the women with RPL, 14 had a diagnosis of antiphospholipid syndrome (APS), and in the remaining 54, the causes for RPL were unexplained. Compared to the controls, the brachial-ankle pulse wave velocity (baPWV), carotid augmentation index (cAI), and uterine artery pulsatility index (PI) were all significantly higher in the women with both APS and unexplained RPL. Compared to the controls, the anti-HSP60 antibody levels were significantly higher in the APA-positive group of women with unexplained RPL, and the anti-HSP70 antibody levels were significantly higher in APS and APA-positive group of women with unexplained RPL. However, the anti-HSP60 and anti-HSP70 antibody levels did not correlate with the values of baPWV or cAI. Our results demonstrated anti-HSP60 and anti-HSP70 antibodies are increased in women with unexplained RPL. Further studies are needed to elucidate the roles of anti-HSP antibodies and their pathophysiology in unexplained RPL. |
| Keywords | recurrent pregnancy loss autoantibody heat shock protein pulse wave velocity arterial stiffness |
| Amo Type | Original Article |
| Publication Title | Acta Medica Okayama |
| Published Date | 2017-06 |
| Volume | volume71 |
| Issue | issue3 |
| Publisher | Okayama University Medical School |
| Start Page | 201 |
| End Page | 208 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| Copyright Holders | CopyrightⒸ 2017 by Okayama University Medical School |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 28655939 |
| JaLCDOI | 10.18926/AMO/55201 |
|---|---|
| FullText URL | 71_3_191.pdf |
| Author | Kobayashi, Katsuhiro| Akiyama, Tomoyuki| Agari, Takashi| Sasaki, Tatsuya| Shibata, Takashi| Hanaoka, Yoshiyuki| Akiyama, Mari| Endoh, Fumika| Oka, Makio| Date, Isao| |
| Abstract | Electroencephalogram (EEG) data include broadband electrical brain activity ranging from infra-slow bands (< 0.1 Hz) to traditional frequency bands (e.g., the approx. 10 Hz alpha rhythm) to high-frequency bands of up to 500 Hz. High-frequency oscillations (HFOs) including ripple and fast ripple oscillations (80-200 Hz and>200 / 250 Hz, respectively) are particularly of note due to their very close relationship to epileptogenicity, with the possibility that they could function as a surrogate biomarker of epileptogenicity. In contrast, physiological high-frequency activity plays an important role in higher brain functions, and the differentiation between pathological / epileptic and physiological HFOs is a critical issue, especially in epilepsy surgery. HFOs were initially recorded with intracranial electrodes in patients with intractable epilepsy as part of a long-term invasive seizure monitoring study. However, fast oscillations (FOs) in the ripple and gamma bands (40-80 Hz) are now noninvasively detected by scalp EEG and magnetoencephalography, and thus the scope of studies on HFOs /FOs is rapidly expanding. |
| Keywords | fast oscillations, epilepsy electroencephalogram time-frequency analysis |
| Amo Type | Review |
| Publication Title | Acta Medica Okayama |
| Published Date | 2017-06 |
| Volume | volume71 |
| Issue | issue3 |
| Publisher | Okayama University Medical School |
| Start Page | 191 |
| End Page | 200 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| Copyright Holders | CopyrightⒸ 2017 by Okayama University Medical School |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 28655938 |
