Irritated seborrheic keratosis of the external ear canal.

abstract：:A case of primary esophageal adenocarcinoma in a 64-year-old man is reported. An ulcerating tumor was located in the middle intrathoracic esophagus. Histopathological examination revealed a moderately differentiated adenocarcinoma, which had invaded down to the adventitia. The cancerous tubuli were lined by flattened ...

journal_title：Pathology international

authors： Endoh Y,Miyawaki M,Tamura G,Watanabe H,Motoyama T

更新日期：1999-02-01 00:00:00

abstract：:Bcl-6 protein is a recently identified novel transcription factor whose deregulated expression is associated with diffuse large B cell lymphomas. It was recently shown by us that the protein is located in germinal center B cells and their neoplastic counterparts. In the present study, the expression of bcl-6 protein o...

journal_title：Pathology international

authors： Kanazawa N,Moriyama M,Onizuka T,Sugawara K,Mori S

更新日期：1997-09-01 00:00:00

abstract：:A 28-year-old woman complained of irregular menstruation. Abdominal ultrasound and magnetic resonance imaging (MRI) examinations revealed a cystic tumor in the left ovary. A histological examination of the resected ovary revealed that the lesion was a mature cystic teratoma. In this tumor, components such as skin with...

journal_title：Pathology international

authors： Kuroda N,Hirano K,Inui Y,Yamasaki Y,Toi M,Nakayama H,Hiroi M,Enzan H

更新日期：2001-11-01 00:00:00

abstract：:Desminopathy is a familial or sporadic skeletal and cardiac muscular dystrophy caused by mutation in the desmin gene. Desmin-reactive deposits in the affected muscles are the morphological hallmarks of this disease. Herein is reported an autopsy case of a 57-year-old Japanese man with adult-onset skeletal muscle weakn...

journal_title：Pathology international

authors： Yuri T,Miki K,Tsukamoto R,Shinde A,Kusaka H,Tsubura A

更新日期：2007-01-01 00:00:00

abstract：:The Association of Directors of Anatomic and Surgical Pathology has developed recommendations for the surgical reporting of common malignant tumors. The recommendations for prostatic carcinoma are reported herein. ...

journal_title：Pathology international

authors：

更新日期：1997-04-01 00:00:00

abstract：:A case of a 9-year-old boy with fibrocartilaginous mesenchymoma located in the distal femur is presented. Fibrocartilaginous mesenchymoma is a rare tumor. There have been 17 cases reported since 1984. The presenting complaint was pain and local discomfort. Radiological examination showed lytic and sclerotic lesions lo...

journal_title：Pathology international

authors： Gedikoglu G,Aksoy MC,Ruacan S

更新日期：2001-08-01 00:00:00

abstract：:One of the striking microscopic appearances of breast carcinoma is malignant transformation of the epithelium of an entire lobule, although the lobular architecture is still preserved. We termed this pathological feature 'lobular involvement'. An investigation was carried out to determine whether lobular involvement w...

journal_title：Pathology international

authors： Ishige H,Kondo Y,Yagata H,Onoki J,Suzuki M,Oshida M,Nagashima T,Hashimoto H,Nakajima N

更新日期：1999-06-01 00:00:00

abstract：:Adenosquamous carcinoma (ASC) is a rare malignant neoplasm of the head and neck regions. We elucidated the relationship between ASC and MUC molecule expression. We selected 14 cases of ASC in the head and neck, and examined them immunohistohcmically. Seven cases of tongue, 3 cases of larynx and 4 cases of hypopharynx ...

journal_title：Pathology international

authors： Kusafuka K,Muramatsu K,Iida Y,Mori K,Miki T,Suda T,Fuke T,Kamijo T,Onitsuka T,Nakajima T

更新日期：2014-03-01 00:00:00

abstract：:A subcutaneous myopericytoma-type perivascular myoma arising in the elbow of a 61-year-old woman is described. The tumor was well demarcated and consisted microscopically of small ovoid and spindle cells arranged in a concentric fashion, surrounding small to medium-sized vessels and imparting a superficial resemblance...

journal_title：Pathology international

authors： Mikami Y,Shiomi T,Manabe T

更新日期：2002-01-01 00:00:00

abstract：:A case of lymphoid hyperplasia arising in the large intestine of a 54-year-old woman is described. Barium enema X-ray and colonoscopic examination revealed multiple small polyps in the right side of the colon. Pathological findings from forceps biopsy revealed similar features to a mucosa-associated lymphoid tissue (M...

journal_title：Pathology international

authors： Nagaoka S,Bandoh T,Takemura T

更新日期：2000-09-01 00:00:00

abstract：:Gastric lipomas are uncommon lesions, usually single and located in the antrum. Common symptoms include upper digestive bleeding, anemia, and intestinal obstruction. Alternatively, they may remain asymptomatic, and detectable only at autopsy. A case of a 72-year-old man, who died of myocardial infarction, was found at...

journal_title：Pathology international

authors： Ventura L,Leocata P,Guadagni S,Ventura T

更新日期：1997-08-01 00:00:00

abstract：:Herein is presented a case of carcinosarcoma of the pancreas in an 82-year-old woman, analyzed on immunohistochemistry and K-ras sequence. The tumor, which arose in the pancreas head, was removed on pancreaticoduodenectomy. The patient died, however, of disseminated intravascular coagulation syndrome from postoperativ...

journal_title：Pathology international

authors： Nakano T,Sonobe H,Usui T,Yamanaka K,Ishizuka T,Nishimura E,Hanazaki K

更新日期：2008-10-01 00:00:00

abstract：:Pulmonary papillary adenoma is a rare tumor. We analyzed a tumor which appeared in a 16-year-old Japanese woman. The tumor histologically showed papillary proliferation of one-layered tumor cells coating inflammatory fibrovascular cores. At the periphery of the tumor, the tumor cells grew in a lepidic fashion. The tum...

journal_title：Pathology international

authors： Masunaga A,Nagashio R,Iwamoto S,Takeyama N,Sato Y,Miyazaki A,Mitsuya T

更新日期：2012-09-01 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：: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：:We report a very rare case of combined thymic carcinomas: undifferentiated thymic carcinoma coexisting with type AB thymoma. The precise mechanism underlying the coexistence of these tumors remains unknown. Therefore, we used clonality analysis to ascertain whether the two tumors were clonally related. A 63-year-old w...

journal_title：Pathology international

authors： Karino F,Yokose T,Matsukuma S,Miyagi Y,Murakami S,Ito H,Nakayama H,Yamada K

更新日期：2016-07-01 00:00:00

abstract：:Morphologic features and neoplastic potentials of bile duct adenoma (BDA) and von Meyenburg complex (VMC)-like duct arising in chronic liver disease were unknown. Thirty-five BDAs and 12 VMC-like duct lesions were observed in 39 cases with chronic liver disease. BDAs were divided into the EMA-cytoplasmic type (n = 14)...

journal_title：Pathology international

authors： Aishima S,Tanaka Y,Kubo Y,Shirabe K,Maehara Y,Oda Y

更新日期：2014-11-01 00:00:00

abstract：:Resistance to retroviral infection is often regulated by multiple genes that control different aspects of the host-virus interaction. Genetically distinct inbred strains of mice differ in their susceptibility to retrovirus and have allowed the identification of several host-resistant loci that regulate the host defens...

journal_title：Pathology international

authors： Kitagawa M,Aizawa S,Ikeda H,Hirokawa K

更新日期：1996-10-01 00:00:00

abstract：:Seven cases of primary amyloidosis (AL-type) were studied immunocytochemically for the possible involvement of pancreatic islets. The two cases with extensive organ involvement by AL-amyloidosis revealed amyloid deposits in pancreatic islets by routine HE and Congo red staining, which were positive for amyloid p and a...

journal_title：Pathology international

authors： Tomita T

更新日期：2005-04-01 00:00:00

abstract：:The purpose of the present study was to determine whether the amount and the location of residual tumor are associated with outcome in surgically treated rectal cancer patients who receive preoperative chemoradiation therapy. Forty-three rectal cancer patients who underwent sphincter-saving operations after preoperati...

journal_title：Pathology international

authors： Kojima M,Ishii G,Yamane Y,Nishizawa Y,Saito N,Ochiai A

更新日期：2009-12-01 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：: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：:A case of renal adenomatosis of the left kidney associated with a carcinoma of the ipsilateral ureter in a 49-year-old man is examined. One hundred and eight adenomas, which were smaller than 15 mm in diameter, and a single microcarcinoma, which measured 1 mm in diameter, were found in the kidney. Further, there were ...

journal_title：Pathology international

authors： Kizaki T,Ugai K,Hirano H,Gohji K,Fujii A

更新日期：1999-03-01 00:00:00

abstract：:A case of primary leiomyosarcoma of a thoracic vertebra associated with a compression fracture in a 75-year-old woman was preoperatively thought to be granulation tissue. Surgical decompression was performed and the histological and immunohistochemical studies established the diagnosis of leiomyosarcoma. Based on the ...

journal_title：Pathology international

authors： Sasaguri T,Tanimoto A,Kimura S,Kohno Y,Hirasawa M,Matsuki Y,Abe K,Hashimoto H,Hamada T,Sasaguri Y

更新日期：2004-01-01 00:00:00

abstract：:Giant cell tumor (GCT) of bone is a primary osteolytic tumor that is characterized by the formation of osteoclast-like giant cells. In addition to GCT of bone, extraskeletal GCT are known to be formed in several soft tissues. Giant cells in GCT of bone were suggested to be identical to osteoclasts, but the characteriz...

journal_title：Pathology international

authors： Ikeda T,Seki S,Maki M,Noguchi N,Kawamura T,Arii S,Igari T,Koike M,Hirokawa K

更新日期：2003-07-01 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：:We report a case of cutaneous squamous cell carcinoma (CSCC), initially coexisting with invasive extramammary Paget's disease (EMPD), in the scrotum of an 84-year-old man. The patient initially had a rash and pruritus before presenting with a pedunculated scrotal mass surrounded by widespread erythema. He underwent to...

journal_title：Pathology international

authors： Kitano A,Izumi M,Tamura K,Tonegawa M,Etou T,Kishida Y

更新日期：2019-10-01 00:00:00

abstract：:The occurrence of malignant neoplasms increases with advancing age. Although aging and carcinogenesis are basically different processes, there are phenomena common to each such as accumulation of DNA damage and abnormal proteins. Gastric and colorectal carcinomas are representative tumors in which the prevalence and t...

journal_title：Pathology international

authors： Arai T,Takubo K

更新日期：2007-06-01 00:00:00

abstract：:A bilateral ovarian tumor composed of mixed Brenner tumor and struma ovarii in the right ovary and mature cystic teratoma in the left ovary, is described. Mixed Brenner tumor and struma ovarii is rare; eight cases are reviewed. In this case, in addition to the typical Brenner tumor and struma ovarii, some nests compos...

journal_title：Pathology international

authors： Yoshida M,Obayashi C,Tachibana M,Minami R

更新日期：2004-10-01 00:00:00

abstract：:Alterations in cell surface carbohydrates on human lymphoma cell lines with different spontaneous metastatic potential in the severe combined immunodeficiency (SCID) mouse model were analyzed. A difference in cell surface carbohydrates between high- (HBL-2, HBL-7 and HBL-8) and no- or low-(HBL-4, HBL-6, Daudi and Raji...

journal_title：Pathology international

authors： Abe M,Suzuki O,Tasaki K,Tominaga K,Wakasa H

更新日期：1996-12-01 00:00:00