نتایج جستجو برای: Neuroendocrine Differentiation

تعداد نتایج: 243162  

Journal: :iranian journal of pathology 2015
eswari varadharajan shanmuga priya geetha prakash archana mugundan praveen easwaramurthi

mucinous carcinoma of the breast is a well-differentiated type of adenocarcinoma accounting for 2-5% of all breast cancers. pure mucinous carcinoma of the breast has a favorable prognosis, usually seen in post-menopausal women. neuroendocrine differentiation has been described in both in-situ and infiltrating breast cancers .mucinous carcinomas of the breast appear to have the greatest associat...

Archana Mugundan Eswari Varadharajan, Geetha Prakash Praveen Easwaramurthi Shanmuga Priya

Mucinous carcinoma of the breast is a well-differentiated type of adenocarcinoma accounting for 2-5% of all breast cancers. Pure mucinous carcinoma of the breast has a favorable prognosis, usually seen in post-menopausal women. Neuroendocrine differentiation has been described in both in-situ and infiltrating breast cancers .Mucinous carcinomas of the breast appear to have the greatest associat...

Nasrin Shayanfar, Shahriar Zohourian Shahzadi

Background and Objective: Neuroendocrine differentiation has not been proved to have effects in behavior of colorectal carcinomas. The aim of this study was Immunohistochemical evaluation of neuroendocrine differentiation in colorectal cancer. Patients and Methods: In this cross-sectional study, 83 paraffin blocks from patients admitted in Rasoul-e-akram Hospital, Tehran, Iran, during 2003 to ...

2014
David L. Wachter Arndt Hartmann Matthias W. Beckmann Peter A. Fasching Alexander Hein Christian M. Bayer Abbas Agaimy

BACKGROUND Carcinomas of the breast with neuroendocrine features are incorporated in the World Health Organization classification since 2003 and include well-differentiated neuroendocrine tumors, poorly differentiated neuroendocrine carcinomas/small cell carcinomas, and invasive breast carcinomas with neuroendocrine differentiation. Neuroendocrine differentiation is known to be more common in c...

2004
M. H. Sun

Extent neuroendocrine differentiation can be encountered in many human neoplasm derived from different organs and systems using immunohistochemistry and ultrastructural techniques. The tumor cells' behaviors resemble those of neurons and neuroendocrine cells. The presence of neuroendocrine differentiation reputedly appears to be associated with a poorer prognosis than the adenocarcinoma counter...

2017
Yue Chen Fang Liu Qingkai Meng Siping Ma

BACKGROUND To determine the prognostic relevance of neuroendocrine differentiation in poorly differentiated colorectal cancer. METHODS The clinicopathological features and survival of 70 patients with poorly differentiated colorectal cancer were analyzed retrospectively. Chromogranin A and synaptophysin were used as neuroendocrine markers. Patients were followed-up for more than 3 years or un...

Journal: :iranian journal of radiology 0
li na shi department of radiology, shanghai sixth people’s hospital, shanghai jiao tong university, shanghai, china; department of radiology, shanghai sixth people’s hospital, shanghai jiao tong university, shanghai 200233, china. tel: +86-2164844183, fax: +86-2164844183 zhong ling qiu department of nuclear medicine, shanghai sixth people’s hospital, shanghai jiao tong university, shanghai, china chun gen wu department of radiology, shanghai sixth people’s hospital, shanghai jiao tong university, shanghai, china quan yong luo department of nuclear medicine, shanghai sixth people’s hospital, shanghai jiao tong university, shanghai, china

pancreatic neuroendocrine tumors (pnet) are uncommon pancreatic neoplasms, accounting for 1-2% of all pancreatic tumors. however, they have a better prognosis and long-term survival compared to exocrine pancreatic cancer. pnets can be divided into functional or non-functional based upon whether or not they excrete active substances relevant to specific clinical syndromes. skeletal muscle metast...

2014
Sanjay Kumar

Neuroendocrine differentiation has been reported in both in situ and infiltrating breast cancers. The prognostic significance of neuroendocrine differentiation in mammary carcinoma is unclear. The spectrum ranges from undifferentiated small cell carcinoma to ductal carcinoma in situ with neuroendocrine differentiation. Mucinous carcinomas of the breast appear to have the greatest association wi...

2014

1. Incipient neuroendocrine neoplasia: Dysplasia/Tis 2. True neuroendocrine tumors a. Well differentiated NETs (carcinoids, pancreatic neuroendocrine neoplasms) b. High-grade neuorendocrine carcinoma 3. Hybrid tumors a. Mixed tumors i. Mixed adenocarcinoma-neuorendocrine carcinoma ii. Mixed neuorendocrine tumor and non-neuroendocrine carcinoma iii. Duodenal gangliocytic paraganglioma b. Inciden...

Journal: :Developmental biology 2015
Shiqi Jia Hendrik Wildner Carmen Birchmeier

Epithelial progenitor cells of the lung generate all cell types of the mature airway epithelium, among them the neuroendocrine cells. The balance between formation of pulmonary neuroendocrine and non-neuroendocrine cells is controlled by Notch signaling. The Notch target gene Hes1 is expressed by non-neuroendocrine and absent in neuroendocrine cells. The transcription factor Ascl1 is expressed ...

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