Unusual fusion between ventral and dorsal primordia causes anomalous pancreaticobiliary junction.

abstract：:A case of ovarian fibrosarcoma producing multiple cytokines is presented. The tumor occurred in the left ovary of a Japanese woman with epigastralgia, remittent fever, leukocytosis and slight thrombocytosis with moderate increase of mast cells in bone marrow, but lack of hormonal abnormality. The resected tumor of the...

journal_title：Pathology international

authors： Fukuda T,Yamaguchi T,Yamaki T,Suzuki T

更新日期：2001-09-01 00:00:00

abstract：:We report a case of gastrointestinal stromal tumor (GIST) of the stomach mimicking extragastrointestinal origin. The tumor presented as a large isolated mass in the transverse mesocolon with a minor adhesion to the stomach. Microscopic examination revealed c-kit gene protein product (KIT)-positive tumor cells with epi...

journal_title：Pathology international

authors： Nakajima T,Saito S,Sugiyama T,Murata K,Fukushima J,Horiuchi H

更新日期：2011-11-01 00:00:00

abstract：:A case of intraplacental choriocarcinoma associated with a placental hemangioma is presented. Ultrasonic examination revealed a placental hemangioma at 33 weeks gestation. A cesarean section was performed at 37 weeks gestation. Histological examination showed intraplacental choriocarcinoma associated with the hemangio...

journal_title：Pathology international

authors： Aonahata M,Masuzawa Y,Tsutsui Y

更新日期：1998-11-01 00:00:00

abstract：:A unique case of duodenal stromal tumor in a 51-year-old man is reported. The tumor histologically showed spindle cell proliferation and numerous eosinophilic globules. Most globules were composed of tangled 45 nm thick fibrils, which were ultrastructurally identical to 'skeinoid fibers'. The presence of glycogen gran...

journal_title：Pathology international

authors： Matsukuma S,Doi M,Suzuki M,Ikegawa K,Sato K,Kuwabara N

更新日期：1997-11-01 00:00:00

abstract：:A case of small cell carcinoma of the gall-bladder is described. Immunohistochemically, the tumor cells were positive for chromogranin A, synaptophysin and neuronspecific enolase, which suggests that they derived from neuroendocrine cells. The overlying and surrounding epithelium of the tumor showed intestinal metapla...

journal_title：Pathology international

authors： Kuwabara H,Uda H

更新日期：1998-04-01 00:00:00

abstract：:So-called 'hybrid' lesion of ameloblastoma, which is composed of desmoplastic ameloblastoma and conventional follicular/plexiform ameloblastoma, is an unusual variant of ameloblastoma and only eight cases of 'hybrid' lesion have been published in the English literature. To enhance knowledge of this interesting tumor, ...

journal_title：Pathology international

authors： Takata T,Miyauchi M,Ogawa I,Zhao M,Kudo Y,Sato S,Takekoshi T,Nikai H,Tanimoto K

更新日期：1999-11-01 00:00:00

abstract：:Diffuse pulmonary ossification (DPO) is a rare condition characterized by diffuse metaplastic bone formation in the lungs. Two patterns have been described: dendriform, with a coral-like network of bone spiculae along the alveolar septa; and nodular, with lobulated fragments in the alveolar spaces. Dendriform DPO is f...

journal_title：Pathology international

authors： Porzionato A,Macchi V,Da Broi U,Giraudo C,Miotto D,Rodriguez D,Moreschi C,De Caro R

更新日期：2015-01-01 00:00:00

abstract：:Hydatid cysts of the liver are known to occasionally rupture into the bile ducts and cause cholangitis. The histological features of this complication have not been adequately described in the literature. Herein is reported a case of severe eosinophilic cholangitis of the left hepatic lobe, occurring in a 24-year-old ...

journal_title：Pathology international

authors： Raptou G,Pliakos I,Hytiroglou P,Papavramidis S,Karkavelas G

更新日期：2009-06-01 00:00:00

abstract：:Soluble receptor-resistant mutant 7 (ssr7) is isolated from a highly neurovirulent mouse hepatitis virus (MHV) JHMV cl-2 strain (cl-2). srr7 exhibits lower virulence than its maternal strain in infected mice, which is typically manifested in a longer lifespan. In this study, during the course of infection with srr7, s...

journal_title：Pathology international

authors： Kashiwazaki H,Nomura R,Matsuyama S,Taguchi F,Watanabe R

更新日期：2011-04-01 00:00:00

abstract：:We investigated the diagnostic and prognostic value of p53 expression and proliferative activity, as indicated by the Ki-67, in endoscopic biopsy specimens. Specimens were immunologically stained with p53 and MIB-1 (Ki-67), and the MIB-1/Ki-67 labeling index (LI) was calculated. Classification of adenomas was based on...

journal_title：Pathology international

authors： Kubota K,Kakuta Y,Kawamura S,Saito S,Seki H,Kuniyoshi T

更新日期：2003-06-01 00:00:00

abstract：:The histology of basaloid squamous cell carcinoma (BSCC) can resemble that of adenoid cystic carcinoma (AdCC). Herein, we report two cases of BSCC with adenoid cystic-like features (BSCC-AdC). We collected cases of AdCC and BSCC of the head and neck region, extracted two cases with unusual histology, and reexamined th...

journal_title：Pathology international

authors： Kusafuka K,Yagi H,Baba S,Inagaki H,Tsuchiya C,Hirata K,Muramatsu A,Suzuki M,Arai K,Terada T

更新日期：2020-10-01 00:00:00

abstract：:Microscopic colitis (MC), encompassing collagenous colitis and lymphocytic colitis, is featured by chronic diarrhea, normal-looking endoscopic findings and unique microscopic appearance. After reviewing biopsied nonspecific colitis, we propose the third type of MC: colitis nucleomigrans (CN). Histopathological criteri...

journal_title：Pathology international

authors： Tachibana M,Hanaoka T,Watanabe S,Matsushita M,Isono T,Tsutsumi Y

更新日期：2020-10-01 00:00:00

abstract：:The distribution of carcinoembryonic antigen (CEA) in human gastric adenocarcinoma cell lines (HPE-GAC-3 cells and HPE-GAC-2 cells) was determined immunohistochemically by indirect peroxidase-labeled antibody method at the light and electron microscopic levels. In GAC-3 cells that proliferated as non-adherent single c...

journal_title：Pathology international

authors： Ohiwa K,Harada T,Morikawa S,Nakamura T

更新日期：1994-08-01 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：:Soft-tissue sarcomas can be divided into translocation-associated (TA) and non-TA sarcomas, the latter of which is often characterized by pleomorphic cytomorphology and aneuploidy. The aberrant expression of MAD2, an essential component of the mitotic spindle checkpoint, has been recently shown to promote aneuploidy. ...

journal_title：Pathology international

authors： Hisaoka M,Matsuyama A,Hashimoto H

更新日期：2008-06-01 00:00:00

abstract：:Epstein-Barr virus (EBV) infection is associated with pathogenesis of various cancers, including extranodal natural killer/T-cell lymphoma, nasal type (ENKL). ENKL tumor cells are positive for EBV-encoded RNA1 (EBER1), which is the most useful marker to identify ENKL tumor cells in histopathology. Currently, EBER1 in ...

journal_title：Pathology international

authors： Ito Y,Makita S,Maeshima AM,Hatta S,Yuda S,Suzuki T,Fukuhara S,Munakata W,Taniguchi H,Suzuki T,Maruyama D,Izutsu K

更新日期：2019-07-01 00:00:00

abstract：:Rheumatoid nodule is a frequent and characteristic extra-articular manifestation of rheumatoid arthritis (RA). Its involvement of central nervous system is a rare occurrence with only a few reported cases. A 78-year-old man with severe arthritis showing the formation of rheumatoid nodule-like granulomas in the dura an...

journal_title：Pathology international

authors： Kamio N,Kuramochi S,Wang RJ,Hirose S,Hosoda Y

更新日期：1996-07-01 00:00:00

abstract：:An unusual case of cystic renal cell carcinoma in a 70-year-old Japanese male is reported. He had had a simple renal cyst removed 1 year ago. On presentation the right kidney was surrounded by multiple translucent cysts, which varied in size from 1 to 50 mm. The cyst walls were lined by single-layered cuboidal epithel...

journal_title：Pathology international

authors： Shishikura Y,Furusato M,Aizawa S

更新日期：1998-08-01 00:00:00

abstract：:Two cases of carcinosarcoma of the esophagus are reported. Both were polypoid tumors occurring in the middle of the intrathoracic esophagus. The tumors were predominantly composed of spindle-shaped sarcoma cells with some squamous cell carcinomas (SCC). One tumor showed many bizarre giant cells with filamentous materi...

journal_title：Pathology international

authors： Taniyama K,Sasaki N,Mukai T,Uemura N,Miyoshi N,Nakai H,Nakayama H,Tahara E

更新日期：1995-04-01 00:00:00

abstract：:The KIT, epidermal growth factor receptor (EGFR) and HER-2 oncoproteins have tyrosine kinase activity and are molecular targets in human cancer therapy. To clarify the significance of KIT, EGFR, and HER-2 in undifferentiated thyroid carcinoma (UTC), the expression of these receptors and tyrosine phosphorylation was ex...

journal_title：Pathology international

authors： Murakawa T,Tsuda H,Tanimoto T,Tanabe T,Kitahara S,Matsubara O

更新日期：2005-12-01 00:00:00

abstract：:Matrix metalloproteinases (MMP) play a role in a wide range of tumorigenesis, including early carcinogenesis events, tumor growth and tumor invasion and metastasis. Given that the ability of tumor cells to infiltrate and disseminate widely is what makes the tumors malignant, a role of MMP in cell migration during this...

journal_title：Pathology international

authors： Nabeshima K,Inoue T,Shimao Y,Sameshima T

更新日期：2002-04-01 00:00:00

abstract：:Epstein-Barr virus (EBV) has been implicated as a causal virus of gastric cancer with episomal monoclonality, elevated antibodies and a unique morphologic expression in the early intramucosal stage, but the infection mechanisms have not been demonstrated. EBV has been shown only in the cancerous lesions by the highly ...

journal_title：Pathology international

authors： Arikawa J,Tokunaga M,Tashiro Y,Tanaka S,Sato E,Haraguchi K,Yamamoto A,Toyohira O,Tsuchimochi A

更新日期：1997-10-01 00:00:00

abstract：:A mixed tumor with apocrine differentiation seen in the external auditory canal of a 39 year old male is reported. The well demarcated polypoid tumor showed proliferation of elongated gland-like or duct-like structures lined by two rows of epithelial cells, occasionally accompanied by foci of keratinization. There wer...

journal_title：Pathology international

authors： Tang X,Tamura Y,Tsutsumi Y

更新日期：1994-01-01 00:00:00

abstract：:A very rare case of a double cancer consisting of adenosquamous and hepatocellular carcinomas of the liver in a 65-year-old-man is discussed. The patient was hospitalized with epigastralgia in May 1997. Abdominal computed axial tomography revealed a tumor located in the left lobe of the liver and a left hepatic lobect...

journal_title：Pathology international

authors： Zhang Z,Nonaka H,Nagayama T,Hatori T,Ihara F,Zhang L,Akima M,Shiba T

更新日期：2001-12-01 00:00:00

abstract：:Pleomorphic hyalinizing angiectatic tumor (PHAT) is a rare, recently recognized neoplasm occurring predominantly in the subcutaneous tissue of the lower limbs of adults. We report a case of PHAT in an 83-year-old woman who presented with a 5.0 x 5.0 x 2.0 cm mass in the soft part of her left thigh. Histologically, the...

journal_title：Pathology international

authors： Matsumoto K,Yamamoto T

更新日期：2002-10-01 00:00:00

abstract：:We established a dedifferentiated liposarcoma cell line (NDDLS-1) that produces interleukin-6 (IL-6) and granulocyte-colony stimulating factor (G-CSF). The parental tumor showed high leukemoid reactions. The NDDLS-1 cell line was established from a pleural effusion associated with a lung metastasis. Pleomorphic tumor ...

journal_title：Pathology international

authors： Ariizumi T,Ogose A,Kawashima H,Hotta T,Li G,Xu Y,Hirose T,Endo N

更新日期：2011-08-01 00:00:00

abstract：:The incidence of lymphoma has rapidly increased over the last 40 years in Japan, following a trend that is very similar to that of breast cancer. In particular, the relative frequency of follicular lymphoma (FL) has reached that in Western countries. Given its indolence, a "watch-and-wait" approach is often applied to...

journal_title：Pathology international

authors： Yoshino T,Takata K,Tanaka T,Sato Y,Tari A,Okada H

更新日期：2018-12-01 00:00:00

abstract：:An autopsy case of giant cell myocarditis (GCM) in a 74-year-old woman is presented. She suffered from hepatic dysfunction, skin eruption and disseminated intravascular coagulation due to the side-effects of a non-steroidal anti-inflammatory drug. After admission, heart failure progressed rapidly, and the patient died...

journal_title：Pathology international

authors： Adachi Y,Yasumizu R,Hashimoto F,Otsuka Y,Okamura A,Kato Y,Oyaizu H,Ikebukuro K,Fukuhara S,Nakai Y,Ikehara S

更新日期：2001-02-01 00:00:00

abstract：:Methotrexate (MTX) is currently used as first-line anchor drug for rheumatoid arthritis (RA). Therefore, the number of MTX-associated lymphoproliferative disorders, including Epstein-Barr virus-positive mucocutaneous ulcer (EBVMCU), has increased. Some aspects of MTX-associated EBVMCU (MTX-EBVMCU), particularly clinic...

journal_title：Pathology international

authors： Satou A,Banno S,Hanamura I,Takahashi E,Takahara T,Nobata H,Katsuno T,Takami A,Ito Y,Ueda R,Nakamura S,Tsuzuki T

更新日期：2019-01-01 00:00:00

abstract：:A pulmonary Langerhans cell histiocytosis is presented in a 40 year-old woman two years after bilateral lung transplantation for emphysema without any signs of Langerhans cells proliferation in the explanted lungs. A microsatellite molecular analysis showed the proliferating cells were generated in a recipient cellula...

journal_title：Pathology international

authors： Gómez-Román J,Zarrabeitia MT,Santurtún A,Parra JA,Azueta Etxebarría A,Cifrian JM,Freire Salinas J

更新日期：2017-12-01 00:00:00