Neuroendocrine carcinoma of the breast with Merkel cell carcinoma-like features.

abstract：:A 58-year-old man with a 1 year history of progressive abdominal distension underwent a laparotomy for pseudomyxoma peritonei. The mucin was identified and characterized in the present study. Approximately 6 L of crude mucus in the sol (highly viscous) and gel (semisolid) phases was obtained from the patient's periton...

journal_title：Pathology international

authors： Mall AS,Chirwa N,Govender D,Lotz Z,Tyler M,Rodrigues J,Kahn D,Goldberg P

更新日期：2007-08-01 00:00:00

abstract：:We report a rare case of hepatocellular carcinoma (HCC) with an unusual neuroendocrine component. During a follow-up study for chronic hepatitis C in a 71-year-old man, a nodular lesion showed rapid growth from 1 cm to 4 cm in diameter within 3 months. Histologically, the tumor was consistent with moderately different...

journal_title：Pathology international

authors： Yamaguchi R,Nakashima O,Ogata T,Hanada K,Kumabe T,Kojiro M

更新日期：2004-11-01 00:00:00

abstract：:A case of low-grade endometrial stromal sarcoma with extensive epithelial-like element (ELE) is reported. This tumor was composed of classical endometrial stromal sarcoma (CESS) showing diffuse proliferation, and ELE occupying approximately 72% of the tumor mass. On immunohistochemistry, ELE was negative for sex-cord ...

journal_title：Pathology international

authors： Ohta Y,Suzuki T,Kojima M,Shiokawa A,Mitsuya T

更新日期：2003-04-01 00:00:00

abstract：:The CDKN2 gene encodes two structurally different proteins: a cyclin-dependent kinase inhibitor, p16, which regulates retinoblastoma protein (pRb)-dependent G1 arrest, and a cell cycle inhibitor, p14ARF, which blocks MDM2-induced p53 degradation resulting in an increase in p53 levels that leads to cell cycle arrest. R...

journal_title：Pathology international

authors： Sano T,Masuda N,Oyama T,Nakajima T

更新日期：2002-05-01 00:00:00

abstract：:This report presents a case of neural fibrolipoma arising from the superficial peroneal nerve in the ankle. A 28-year-old woman was referred with a soft tissue mass in the anterior aspect of the right ankle, which had been gradually enlarging for the past 10 years. Magnetic resonance imaging showed a mass lesion, meas...

journal_title：Pathology international

authors： Akisue T,Matsumoto K,Yamamoto T,Kizaki T,Fujita I,Yoshiya S,Kurosaka M

更新日期：2002-11-01 00:00:00

abstract：:A 51-year-old woman with a history of eating raw fish over a period of 2 weeks developed a progressive abdominal pain and leukocytosis with signs of small bowel obstruction. Eosinophilia was not detected in the peripheral blood. The patient underwent surgery to clarify the possibility of ileus. Partial small bowel nea...

journal_title：Pathology international

authors： Masui N,Fujima N,Hasegawa T,Kigawa S,Kagei N,Nagashima K,Shimizu Y

更新日期：2006-06-01 00:00:00

abstract：:Leiomyomatosis peritonealis disseminata (LPD) is a rare clinicopathological entity typically observed in women of reproductive age. We report a case of LPD with malignant change in a man. A 77-year-old man presented with a mass measuring 10 cm in diameter at the terminal ileum and numerous peritoneal small nodules tha...

journal_title：Pathology international

authors： Yamaguchi T,Imamura Y,Yamamoto T,Fukuda M

更新日期：2003-03-01 00:00:00

abstract：:Radiofrequency ablation (RFA) has become a widespread treatment option for liver carcinoma. There is limited knowledge regarding the macroscopic and histomorphological changes of induced lesions. Twelve domestic pigs underwent RFA using a Starburst XL device with ablation diameter of 3 cm. One animal died within 24 h,...

journal_title：Pathology international

authors： Kasper HU,Bangard C,Gossmann A,Dienes HP,Stippel DL

更新日期：2010-03-01 00:00:00

abstract：:Homozygous deletion of 9p21, the locus harboring the p16 gene, has been reported as one of the most common genetic alterations in malignant mesotheliomas (MMs). Previous studies showed that this alteration might be useful for differentiating benign from malignant mesothelial tumors in cytology and surgical specimens. ...

journal_title：Pathology international

authors： Takeda M,Kasai T,Enomoto Y,Takano M,Morita K,Kadota E,Nonomura A

更新日期：2010-05-01 00:00:00

abstract：:Humoral factors from cancer-associated fibroblasts (CAFs) reportedly affect epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) resistance in cancer cells with EGFR mutations. The aim of this study was to identify the robust humoral factors secreted from CAFs that induce the primary resistance to EGF...

journal_title：Pathology international

authors： Suzuki E,Yamazaki S,Naito T,Hashimoto H,Okubo S,Udagawa H,Goto K,Tsuboi M,Ochiai A,Ishii G

更新日期：2019-08-01 00:00:00

abstract：:In 2004, two groups reported somatic mutations in the gene for the epidermal growth factor receptor (EGFR) in patients with non-small cell lung cancer (NSCLC), which were highly correlated with the clinical response to the anticancer drug, gefitinib. Since then, a tremendous amount of knowledge has accumulated, and sh...

journal_title：Pathology international

authors： Yatabe Y,Mitsudomi T

更新日期：2007-05-01 00:00:00

abstract：:To test whether a subset of esophageal squamous cell carcinomas (SCC) develop through a deficiency in DNA mismatch repair, we examined microsatellite instability (MSI) using 11 microsatellite markers including BAT-26, hMLH1 protein expression by immunohistochemistry, and methylation status of the hMLH1 promoter by met...

journal_title：Pathology international

authors： Hayashi M,Tamura G,Jin Z,Kato I,Sato M,Shibuya Y,Yang S,Motoyama T

更新日期：2003-05-01 00:00:00

abstract：:Solitary fibrous tumor of the pleura (SFTP) is rare. A 73-year-old man, without past history of diabetes mellitus, was admitted to hospital with profound hypoglycemia, loss of consciousness and respiratory failure. CT indicated a huge heterogenous mass lesion (12 x 12 x 17 cm) at the right thoracic cavity with total a...

journal_title：Pathology international

authors： Chang JC,Su KY,Chao SF,Hsu YH,Yang GG,Chang BS

更新日期：2007-12-01 00:00:00

abstract：:A 7-year-old boy presented with midline swelling in the neck. On fine-needle aspiration cytology it was diagnosed as papillary carcinoma of the thyroid. The patient underwent total thyroidectomy. Histopathological examination, immunohistochemistry and electron microscopy revealed the presence of two intermingled compo...

journal_title：Pathology international

authors： Goyal R,Nada R,Rao KL,Radotra BD

更新日期：2006-02-01 00:00:00

abstract：:A complete spontaneous regression of diffuse large B cell lymphoma involving the right breast, confirmed by aspiration cytology, is reported. The patient visited a hospital due to the rapid growth of a tumor in the right breast. Five years previously she underwent a craniotomy for a brain tumor, diagnosed as B-cell ma...

journal_title：Pathology international

authors： Iihara K,Yamaguchi K,Nishimura Y,Iwasaki T,Suzuki K,Hirabayashi Y

更新日期：2004-07-01 00:00:00

abstract：:Tight junctions are intercellular junctions adjacent to the apical ends of paracellular spaces. They have two classical functions, the barrier function and the fence function. The former regulates the passage of ions, water and various molecules through paracellular spaces, and is thus related to edema, jaundice, diar...

journal_title：Pathology international

authors： Sawada N

更新日期：2013-01-01 00:00:00

abstract：:High-grade transformation (HGT)/dedifferentiation is an unusual phenomenon in salivary gland carcinomas. Here we report a case of adenoid cystic carcinoma (ACC) with HGT/dedifferentiation to myoepithelial carcinoma, occurring in the epipharynx of a 42-year-old woman. The surgically resected tumor was a pedunculated ma...

journal_title：Pathology international

authors： Tando S,Nagao T,Kayano K,Fushiki S,Itoh K

更新日期：2018-02-01 00:00:00

abstract：:Morphologic, immunohistochemical and immunogenetic studies were performed on 28 cases of primary gastric lymphoma from fresh frozen tissue. Eight cases were diagnosed as diffuse large B-cell lymphoma, four as follicular center lymphoma (follicular), five as mucosa-associated lymphoid tissue (MALT) lymphoma, three as p...

journal_title：Pathology international

authors： Narita M,Yatabe Y,Asai J,Mori N

更新日期：1996-09-01 00:00:00

abstract：:Elderly patients with Epstein-Barr virus (EBV) infection are at increased risk for developing B-cell lymphoproliferative disorder (B-LPD) due to immunosenescence. Here, we describe a case of a 75-year-old man who developed an EBV-positive (EBV+) mucocutaneous ulcer (EBVMCU) in the gingiva with spontaneous regression. ...

journal_title：Pathology international

authors： Daroontum T,Kohno K,Inaguma Y,Okamoto A,Okamoto M,Kimura Y,Nagahama M,Sakakibara A,Satou A,Nakamura S

更新日期：2019-01-01 00:00:00

abstract：:A case of multiple myeloma, who died of congestive heart failure of unknown cause, is presented. Microscopically, Anitschkow cells with caterpillar and owl-eyed nuclei were scattered in the interstitium of the myocardium. To know the pathological significance of their appearance, histological observations of normal, d...

journal_title：Pathology international

authors： Satoh F,Tsutsumi Y

更新日期：1999-01-01 00:00:00

abstract：:Senescence marker protein 30 (SMP 30) is preferentially expressed in the liver. One of its remarkable functions is the protection of cells against various injuries by enhancement of membrane calcium-pump activity. We analyzed the role of SMP 30 in hepatocyte proliferation. SMP 30 expression was decreased initially, th...

journal_title：Pathology international

authors： Ishigami T,Fujita T,Simbula G,Columbano A,Kikuchi K,Ishigami A,Shimosawa T,Arakawa Y,Maruyama N

更新日期：2001-07-01 00:00:00

abstract：:Presented is the first Japanese case of ossifying renal tumor of infancy (ORTI), which is an extremely rare tumor and of which only nine cases have been reported in the literature. The patient was a four-month-old Japanese boy presenting as hematuria. A small nodular tumor (approximately 1 cm in size) protruded into t...

journal_title：Pathology international

authors： Ito J,Shinohara N,Koyanagi T,Hanioka K

更新日期：1998-02-01 00:00:00

abstract：:A 35-year-old Japanese man who had experienced hoarseness for 10 years presented with a vocal cord lesion. A gross examination revealed a left vocal cord polyp occupying two-thirds of the vocal space. The endoscopically resected lesion contained scattered atypical fibroblastic, stellate, or ganglion-like cells with mu...

journal_title：Pathology international

authors： Yorita K,Togashi Y,Nakagawa H,Miyazaki K,Sakata S,Baba S,Takeuchi K,Hayashi Y,Murakami I,Kuroda N,Oda Y,Kohashi K,Yamada Y,Kiyozawa D,Michal M,Michal M

更新日期：2019-06-01 00:00:00

abstract：:Two cases of endometrial low-grade stromal sarcoma with ovarian sex cord-like differentiation occurring in a 39-year-old woman and a 42-year-old woman are presented. Both tumors, which were intramyometrial and measured 7.5 cm and 7.0 cm in greatest diameter, respectively, showed a multinodular, ill-demarcated, and yel...

journal_title：Pathology international

authors： Fukunaga M,Miyazawa Y,Ushigome S

更新日期：1997-06-01 00:00:00

abstract：:The purpose of the present study was to clarify the difference of expression of two stem cell markers, nestin and c-kit, among various pancreatic epithelial tumors and evaluate their utility. Immunohistochemistry was done for 99 surgically resected pancreatic tumor specimens, including 20 ductal adenocarcinoma (DAC), ...

journal_title：Pathology international

authors： Ohike N,Sato M,Hisayuki T,Imataka H,Sato S,Wada Y,Saito K,Takahashi M,Tajiri T,Kunimura T,Morohoshi T

更新日期：2007-09-01 00:00:00

abstract：:A rare case of an extragonadal teratoma, which occurred primarily in the uterus, is described. The tumor developed in the uterine cervix as a conventional cervical polyp, 3 months after an elective abortion in a 27-year-old woman. Microscopically, the solid 2.2 x 1.8 x 1.5 cm mass was a mature teratoma with exuberant ...

journal_title：Pathology international

authors： Lim SC,Kim YS,Lee YH,Lee MS,Lim JY

更新日期：2003-05-01 00:00:00

abstract：:We elucidated clinicopathological characteristics of chondroblastoma (CB) in Japan, and reliable clinicopathologic parameters predicting local recurrence and/or metastasis. Clinicopathological profiles of 103 CB (80 male, 23 female) in extra-craniofacial bones were retrieved. Numerical scoring of nine pathological and...

journal_title：Pathology international

authors： Konishi E,Nakashima Y,Mano M,Tomita Y,Kubo T,Araki N,Morii E,Yoshikawa H,Haga H,Toguchida J,Ueda T,Osawa M,Hoshi M,Inoue T,Aono M,Yanagisawa A

更新日期：2017-10-01 00:00:00

abstract：:The localization of endothelin (ET)-1/big ET-1, ET-3/big ET-3, ET-A and ET-B receptor was immunohistochemically examined in human adrenal glands composed of 36 normal cases, nine hyperplasia, 70 adenomas and seven carcinomas of cortical cells. In normal adrenals, ET-1/big ET-1 and ET-B receptor were regularly detected...

journal_title：Pathology international

authors： Hiraki H,Hoshi N,Hasegawa H,Tanigawa T,Emura I,Seito T,Yamaki T,Fukuda T,Watanabe K,Suzuki T

更新日期：1997-02-01 00:00:00

abstract：:A rare case of a macrofollicular variant of papillary thyroid carcinoma occurring in an 18-year-old male is described. The extirpated tumor, 5.5 x 5.5 x 3.5 cm in size, was well demarcated and multinodular, and histopathologically showed a predominantly macrofollicular structure reminiscent of adenomatous goiter or ma...

journal_title：Pathology international

authors： Nakamura T,Moriyama S,Nariya S,Sano K,Shirota H,Kato R

更新日期：1998-06-01 00:00:00

abstract：:The present study attempted to clarify the significance of aberrant expression of beta-catenin protein and mutation of exon 3 of the beta-catenin gene in renal and urothelial carcinogenesis. beta-Catenin expression was examined immunohistochemically and mutation of the beta-catenin gene was analyzed by polymerase chai...

journal_title：Pathology international

authors： Zhu X,Kanai Y,Saito A,Kondo Y,Hirohashi S

更新日期：2000-12-01 00:00:00