214 research outputs found

    Linear Basal Cell Carcinoma: A Case Report

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    Basal cell carcinoma (BCC) presents with diverse clinical features, and several morphologic and histologic variants of BCC have been reported [Sexton et al.: J Am Acad Dermatol 1990;23:1118-1126]. Linear BCC was first described as a new clinical subtype in 1985 by Lewis [Int J Dematol 1985;24:124-125]. Here, we present a case of linear BCC that we recently encountered in an elderly Japanese patient, and review other cases reported in Japan

    ニワ フミオ ノ ショウコクミン バン ソロモン カイセン ロン ゲンサク トノ ヒカク ケントウ オ チュウシン ニ

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    本稿で取り上げる丹羽文雄の『少国民版 ソロモン海戦』は,丹羽の従軍体験を表した小説『海戦』の児童版である。本稿では,まず当時の状況を踏まえ,原作となる小説『海戦』の作品世界を分析したところ,たしかに,この作品は日本海軍の華々しい功績を記したものに違いないが,言論統制下でありながら,可能な限り自己に忠実に戦争の実相,戦争のもたらす悲劇を表した,特筆すべき作品として評価できることが明らかになった.次に,『少国民版 ソロモン海戦』と原作『海戦』とを比較すると,子ども読者に配慮して,わかりやすい表現に,興味を持ちやすい内容に書き換えられたが,死のイメージが大幅に緩和され,日本海軍の完全勝利の物語となっていることが明らかになった.原作が十分に生かされなかった面もあるが,子ども読者に軍人精神を植え付けるような作品にはならなかった.この点で,この作品の存在意義は大きい.『少国民版 ソロモン海戦』は,原作『海戦』と同様に,戦時下の注目すべき作品の一つに数えられるのではないか

    A Case of Syringomatous Adenoma of the Nipple

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    Syringomatous adenoma of the nipple (SAN) is an extremely rare disease originating in the adnexal gland; it was first reported by Rosen in 1983 [Am J Surg Pathol 1983;7:739–745]. Since then, 34 cases have been reported worldwide. We present the case of a 51-year-old man with SAN, in whom local excision of the tumor was performed. Histologically, the tumor consisted of tubules, ductules and epithelial cell strands, and most of the proliferating ducts presented with a characteristic teardrop or comma-shaped appearance

    Major Causes of Death among Older Adults after the Great East Japan Earthquake : A Retrospective Study

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    This retrospective study investigated the 3-year impact of the Great East Japan Earthquake (GEJE) of 2011 on deaths due to neoplasm, heart disease, stroke, pneumonia, and senility among older adults in the primarily affected prefectures compared with other prefectures, previous investigations having been more limited as regards mortality causes and geographic areas. Using death certificates issued between 2006 and 2015 (n = 7,383,253), mortality rates (MRs) and risk ratios (RRs) were calculated using a linear mixed model with the log-transformed MR as the response variable. The model included interactions between the area category and each year of death from 2010 to 2013. The RRs in the interaction significantly increased to 1.13, 1.17, and 1.28 for deaths due to stroke, pneumonia, and senility, respectively, in Miyagi Prefecture in 2011, but did not significantly increase for any of the other areas affected by the GEJE. Moreover, increased RRs were not reported for any of the other years. The risk of death increased in 2011; however, this was only significant for single-year impact. In 2013, decreased RRs of pneumonia in the Miyagi and Iwate prefectures and of senility in Fukushima Prefecture were observed. Overall, we did not find evidence of strong associations between the GEJE and mortality

    Photoinduced swing of a diarylethene thin broad sword shaped crystal:a study on the detailed mechanism

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    We report a swinging motion of photochromic thin broad sword shaped crystals upon continuous irradiation with UV light. By contrast in thick crystals, photosalient phenomena were observed. The bending and swinging mechanisms are in fact due to molecular size changes as well as phase transitions. The first slight bending away from the light source is due to photocyclization-induced surface expansion, and the second dramatic bending toward UV incidence is due to single-crystal-to-single-crystal (SCSC) phase transition from the original phase I to phase IIUV. Upon visible light irradiation, the crystal returned to phase I. A similar SCSC phase transition with a similar volume decrease occurred by lowering the temperature (phase IIItemp). For both photoinduced and thermal SCSC phase transitions, the symmetry of the unit cell is lowered; in phase IIUV the twisting angle of disordered phenyl groups is different between two adjacent molecules, while in phase IIItemp, the population of the phenyl rotamer is different between adjacent molecules. In the case of phase IIUV, we found thickness dependent photosalient phenomena. The thin broad sword shaped crystals with a 3 mu m thickness showed no photosalient phenomena, whereas photoinduced SCSC phase transition occurred. In contrast, large crystals of several tens of mu m thickness showed photosalient phenomena on the irradiated surface where SCSC phase transition occurred. The results indicated that the accumulated strain, between isomerized and non-isomerized layers, gave rise to the photosalient phenomenon

    Predictors of Survival in Patients With Ischemic Stroke and Active Cancer: A Prospective, Multicenter, Observational Study

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    BACKGROUND: Limited data exist on the prognostic factors for patients with ischemic stroke and active cancer. METHODS AND RESULTS: We conducted a prospective, multicenter, observational study in Japan, including patients with acute ischemic stroke and active cancer, to investigate the prognostic factors. We followed up the patients for 1 year after stroke onset. The patients were divided into 2 groups according to cryptogenic stroke and known causes (small-vessel occlusion, large-artery atherosclerosis, cardioembolism, and other determined cause), and survival was compared. The hazard ratios (HRs) and 95% CIs for mortality were calculated using Cox regression models. We identified 135 eligible patients (39% women; median age, 75 years). Of these patients, 51% had distant metastasis. A total of 65 (48%) and 70 (52%) patients had cryptogenic stroke and known causes, respectively. Patients with cryptogenic stroke had significantly shorter survival than those with known causes (HR [95% CI], 3.11 [1.82–5.32]). The multivariable Cox regression analysis revealed that distant metastasis, plasma D-dimer levels, venous thromboembolism (either deep venous thrombosis or pulmonary embolism) complications at stroke onset were independent predictors of mortality after adjusting for potential confounders. Cryptogenic stroke was associated with prognosis in univariable analysis but was not significant in multivariable analysis. The plasma D-dimer levels stratified the prognosis of patients with ischemic stroke and active cancer. CONCLUSIONS: The prognosis of patients with acute ischemic stroke and active cancer varied considerably depending on stroke mechanism, distant metastasis, and coagulation abnormalities. The present study confirmed that coagulation abnormalities were crucial in determining the prognosis of such patients.Gon Y., Sakaguchi M., Yamagami H., et al. Predictors of Survival in Patients With Ischemic Stroke and Active Cancer: A Prospective, Multicenter, Observational Study. Journal of the American Heart Association 12, e029618 (2023); https://doi.org/10.1161/JAHA.123.029618
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