Mixed tumor of the external auditory canal.

abstract：:In papillary thyroid carcinoma (PTC) in cytological and surgical specimens, fine chromatin, nuclear grooves and nuclear pseudoinclusions are the hallmarks of diagnosis. We investigated the significance of these nuclear changes in neoplastic non-PTC lesions. Fine needle aspiration biopsies (FNAB) of thyroid lesions wer...

journal_title：Pathology international

authors： Mai KT,Yazdi HM,Commons AS,Perkins DG,MacDonald L

更新日期：1999-07-01 00:00:00

abstract：:Conditions of preserving DNA, RNA and protein in pathological specimens are of great importance as degradation of such macromolecules would critically affect results of molecular biological analysis. The feasibility of freeze-drying as a means of preserving pathological tissue samples for molecular analysis has previo...

journal_title：Pathology international

authors： Matsuo S,Sugiyama T,Okuyama T,Yoshikawa K,Honda K,Takahashi R,Maeda S

更新日期：1999-05-01 00:00:00

abstract：:Schwarz and Benditt found clustering of replicating cells in aortic endothelium in 1976 and discussed how homeostasis of the arterial wall is maintained through this nonrandom distribution of replicating cells. However, it is still unclear how cells of vascular walls turnover. In order to address this issue, we evalua...

journal_title：Pathology international

authors： Takahashi M,Masuda H,Yoshida M,Ito Y,Nanjo H,Sugiyama T,Maeda D,Goto A

更新日期：2015-11-01 00:00:00

abstract：:The clinical and pathological significance of intratumoral lymphangiogenesis (ITL) with human esophageal squamous cell carcinomas (ESCC) remains unclear, as does the role of signaling molecules such as vascular endothelial growth factor (VEGF)-A,C, platelet-derived growth factor (PDGF)-A, and p53, in the regulation of...

journal_title：Pathology international

authors： Inoue A,Moriya H,Katada N,Tanabe S,Kobayashi N,Watanabe M,Okayasu I,Ohbu M

更新日期：2008-10-01 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 Association of Directors of Anatomic and Surgical Pathology have developed recommendations for the surgical pathology reporting of common malignant tumors. The recommendations for carcinomas of the urinary bladder are reported herein. ...

journal_title：Pathology international

authors：

更新日期：1997-05-01 00:00:00

abstract：:Breast cancer patients have a generally increased risk of developing second cancers. The object of this study was to clarify the increased as well as decreased incidence of cancers in breast cancer patients using autopsy cases. 164 211 autopsy cases in the Annual of Pathological Autopsy Cases in Japan from 2002 to 201...

journal_title：Pathology international

authors： Shibahara Y,Sugawara Y,Miki Y,Hata S,Takahashi H,Nakamura Y,Suzuki T,Ohuchi N,Tsuji I,Sasano H

更新日期：2016-12-01 00:00:00

abstract：:In order to clarify the relationship between cyclin D1 and D2 (CD1/CD2) overexpression and progression, 191 gastric cancer cases (81 early and 110 advanced cancers) were investigated using the 5D4 monoclonal antibody for both CD1/CD2 in immunohistochemistry. 5D4 immunoreactivity was noted in 68 (35.6%) cases, staining...

journal_title：Pathology international

authors： Yasogawa Y,Takano Y,Okayasu I,Kakita A

更新日期：1998-09-01 00:00:00

abstract：:The RET finger protein (RFP) is a transcription factor belonging to the TRIM (tripartite motif) superfamily of proteins. RFP is expressed in a variety of human and rodent tumor cell lines and in several kinds of human cancer. Expression of RFP is associated with prognosis of colon and endometrial cancers. In the prese...

journal_title：Pathology international

authors： Iwakoshi A,Murakumo Y,Kato T,Kitamura A,Mii S,Saito S,Yatabe Y,Takahashi M

更新日期：2012-05-01 00:00:00

abstract：:To examine the relationship between the scavenger receptor A (SRA) index (the number of SRA+ cells observed in 10 high power fields of peripheral blood (PB) smear samples; normal upper limit <30) and coronary thrombus, 389 thrombi obtained from 393 patients with acute ST elevation myocardial infarction were examined. ...

journal_title：Pathology international

authors： Emura I,Usuda H,Fujita T,Ebe K,Nagai T

更新日期：2011-06-01 00:00:00

abstract：:This report describes a case of an immunocompetent 77-year-old male with Epstein-Barr virus (EBV)-positive lymphoproliferative disorder associated with calcified chronic subdural hematoma (CSH). On the day prior to consultation in our outpatient clinic, the patient fell from his bed, striking his frontal head on the f...

journal_title：Pathology international

authors： Sugita Y,Ohta M,Ohshima K,Niino D,Nakamura Y,Okada Y,Nakashima S

更新日期：2012-06-01 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：:Angiomyolipoma (AML) is a mixed mesenchymal tumor belonging to the family of perivascular epithelioid cell tumors. Concurrent development of AML and adult renal cell carcinoma (RCC) is very rare. Herein is presented a unique case in which RCC arose within a previously detected AML tumor mass. A 40-year-old woman had b...

journal_title：Pathology international

authors： Inomoto C,Umemura S,Sasaki Y,Yasuda M,Terachi T,Osamura RY

更新日期：2007-03-01 00:00:00

abstract：:The biopsy-based diagnosis of autoimmune pancreatitis (AIP) is difficult but is becoming imperative for pathologists due to the increased amount of endoscopic ultrasound-guided biopsy tissue. To cope with this challenge, we propose guidance for the biopsy diagnosis of type 1 AIP. This guidance is for pathologists and ...

journal_title：Pathology international

authors： Notohara K,Kamisawa T,Fukushima N,Furukawa T,Tajiri T,Yamaguchi H,Aishima S,Fukumura Y,Hirabayashi K,Iwasaki E,Kanno A,Kasashima S,Kawashima A,Kojima M,Kubota K,Kuraishi Y,Mitsuhashi T,Naito Y,Naitoh I,Nakase H,Ni

更新日期：2020-10-01 00:00:00

abstract：:Cellular senescence is defined as irreversible cell arrest and could work as a safeguard against tumorigenesis. This mechanism was examined in chronic viral hepatitis-related hepatocarcinogenesis. By using surgical resected or wedge biopsied liver specimens from 87 chronic viral hepatitis patients in whom 35 neoplasti...

journal_title：Pathology international

authors： Ikeda H,Sasaki M,Sato Y,Harada K,Zen Y,Mitsui T,Nakanuma Y

更新日期：2009-07-01 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：:A quantitative model was devised for the purpose of evaluating interobserver agreement in the judgment of the nuclear atypia score of cancer cells in protocol studies. In this model, the mean nuclear atypia score (mu) among observers was considered to approximate the 'true' nuclear atypia score of the tumor, and with ...

journal_title：Pathology international

authors： Tsuda H,Akiyama F,Kurosumi M,Sakamoto G,Watanabe T

更新日期：2000-02-01 00:00:00

abstract：:Although a seborrheic keratosis is not rare on the skin of the trunk, extremities, head and neck of an elderly person, it is uncommon to originate in the external ear canal. Even rarer, an irritated subtype may arise in this location. We report the case of a 63-year-old man with an irritated seborrheic keratosis arisi...

journal_title：Pathology international

authors： Konishi E,Nakashima Y,Manabe T,Mazaki T,Wada Y

更新日期：2003-09-01 00:00:00

abstract：:An asymptomatic 59-year-old man underwent pancreatoduodenectomy for a pancreatic mass that was discovered during a health check-up. Histopathology indicated typical features of lymphoplasmacytic sclerosing pancreatitis (LPSP) or autoimmune pancreatitis along with the presence of abundant IgG4-positive plasma cells thr...

journal_title：Pathology international

authors： Motosugi U,Ichikawa T,Yamaguchi H,Nakazawa T,Katoh R,Itakura J,Fujii H,Sato T,Araki T,Shimizu M

更新日期：2009-10-01 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：:Eosinophilic hyaline inclusions were consistently seen in the perinuclear cytoplasm of suprabasal keratinocytes in lichen amyloidosus. The inclusions, negative with amyloid staining, were immunoreactive for ubiquitin and cytokeratin, and ultrastructurally showed aggregations of fine filaments of two sizes (central thi...

journal_title：Pathology international

authors： Akamatsu M,Hori S,Tsutsumi Y,Osamura RY,Ohkido M

更新日期：1995-02-01 00:00:00

abstract：:Mitral annular calcification (MAC) is a generally asymptomatic abnormality found commonly in aged hearts. Some clinical studies have suggested that MAC should be considered an independent risk factor for stroke; however, whether the abnormality is indeed a risk factor remains controversial. We report a case in which d...

journal_title：Pathology international

authors： Matsuyama TA,Ishibashi-Ueda H,Ikeda Y,Nagatsuka K,Miyashita K,Amaki M,Kanzaki H,Kitakaze M

更新日期：2012-07-01 00:00:00

abstract：:Aerobes, including humans, are consistently exposed to oxidative stress by consuming oxygen. The biological significance of oxidative stress via reactive oxygen and nitrogen species consists of two stages: reversible redox regulation and irreversible oxidative molecular damage, which are sometimes intermingled. During...

journal_title：Pathology international

authors： Toyokuni S,Akatsuka S

更新日期：2007-08-01 00:00:00

abstract：:Hepatic ultrasonic transient elastography (FibroScan) is a new diagnostic method for the assessment of hepatic fibrosis. There are limited data available on its use as a follow-up tool for patients with chronic hepatitis B. In this study, 134 patients were enrolled. Hepatic fibrosis was evaluated by liver stiffness me...

journal_title：Pathology international

authors： Zhang YG,Wang BE,Wang TL,Ou XJ

更新日期：2010-04-01 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：:A 54-year-old Japanese woman was referred with a gallbladder tumor. Based on the results of the computed tomography scan, endoscopic retrograde cholangiopancreatography, and magnetic resonance cholangiopancreatography, a mucin-producing neoplasm of the gallbladder associated with pancreaticobiliary maljunction was dia...

journal_title：Pathology international

authors： Meguro Y,Fukushima N,Koizumi M,Kasahara N,Hydo M,Morishima K,Sata N,Lefor AT,Yasuda Y

更新日期：2014-09-01 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

abstract：:A 79-year-old man presented with back pain. Chest CT scan showed elevated nodular lesions in the right parietal pleurae with pleural effusion. There were no intrapulmonary or mediastinal abnormalities. Under local anesthesia, right thoracoscopy and subsequent thoracoscopic pleural resection were performed using an ins...

journal_title：Pathology international

authors： Kawahara K,Sasada S,Nagano T,Suzuki H,Kobayashi M,Matsui K,Takata K,Yoshino T,Michida T,Iwasaki T

更新日期：2008-04-01 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：: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