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https://www.readbyqxmd.com/read/28416106/categorizing-renal-oncocytic-neoplasms-on-core-needle-biopsy-a-morphologic-and-immunophenotypic-study-of-144-cases-with-clinical-follow-up-alderman-ma-daignault-s-wolf-js-jr-palapattu-gs-weizer-az-hafez-ks-kunju-lp-wu-aj-hum-pathol-september-2016-55-1-10
#1
Oleksandr N Kryvenko
There is limited literature on renal oncocytic neoplasms diagnosed on core biopsy. All renal oncocytic neoplasm core biopsies from 2006 to 2013 were, retrospectively, reviewed. Morphologic features and an immunohistochemical panel of CK7, c-KIT, and S100A1 were assessed. Concordance with resection diagnosis, statistical analysis including a random forest classification, and follow-up were recorded. The postimmunohistochemical diagnoses of 144 renal oncocytic core biopsies were favor oncocytoma (67%), favor renal cell carcinoma (RCC) (12%), and cannot exclude RCC (21%)...
April 13, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28415560/gallbladder-papillary-neoplasms-share-pathological-features-with-intraductal-papillary-neoplasm-of-the-bile-duct
#2
Xueshuai Wan, Jie Shi, Anqiang Wang, Yuan Xie, Xiaobo Yang, Chengpei Zhu, Haohai Zhang, Liangcai Wu, Shanshan Wang, Hanchun Huang, Jianzhen Lin, Yongchang Zheng, Zhiyong Liang, Xinting Sang, Haitao Zhao
Intraductal papillary neoplasm of the bile duct (IPNB) has been widely recognized. However, the knowledge of intracystic papillary neoplasm of the gallbladder (IPNG) including papillary adenoma and adenocarcinoma is not well defined. In this study, we compared the clinicopathological and immunohistochemical features between 32 IPNG cases and 32 IPNB cases. IPNG-1 (low-high grade dysplasia) exhibited an earlier onset age, smaller tumor size and lower level of CK20 expression compared to IPNG-2 (invasive carcinoma)...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28403025/p16ink4a-cytokeratin-7-and-ki-67-as-potential-markers-for-low-grade-cervical-intraepithelial-neoplasia-progression
#3
Larissa Bastos Eloy da Costa, Renata De Marchi Triglia, Liliana A Lucci De Angelo Andrade
OBJECTIVE: The aim of this study was to evaluate p16, cytokeratin 7 (CK7), and Ki-67 immunoexpressions in low-grade squamous intraepithelial lesion (LSIL), looking for differences among cases that progress to high-grade squamous intraepithelial lesion, maintain LSIL, or regress. MATERIALS AND METHODS: Sixty-six LSIL biopsies were studied. In the follow-up, a second biopsy showed 28.7% regression, 37.9% LSIL, and 33.4% progressed to high-grade squamous intraepithelial lesion...
April 11, 2017: Journal of Lower Genital Tract Disease
https://www.readbyqxmd.com/read/28402962/regeneration-of-cervical-reserve-cell-like-cells-from-human-induced-pluripotent-stem-cells-ipscs-a-new-approach-to-finding-targets-for-cervical-cancer-stem-cell-treatment
#4
Masakazu Sato, Kei Kawana, Katsuyuki Adachi, Asaha Fujimoto, Mitsuyo Yoshida, Hiroe Nakamura, Haruka Nishida, Tomoko Inoue, Ayumi Taguchi, Juri Ogishima, Satoko Eguchi, Aki Yamashita, Kensuke Tomio, Osamu Wada-Hiraike, Katsutoshi Oda, Takeshi Nagamatsu, Yutaka Osuga, Tomoyuki Fujii
Cervical reserve cells are epithelial progenitor cells that are pathologically evident as the origin of cervical cancer. Thus, investigating the characteristics of cervical reserve cells could yield insight into the features of cervical cancer stem cells (CSCs). In this study, we established a method for the regeneration of cervical reserve cell-like properties from human induced pluripotent stem cells (iPSCs) and named these cells induced reserve cell-like cells (iRCs). Approximately 70% of iRCs were positive for the reserve cell markers p63, CK5 and CK8...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28395325/interaction-of-macrophages-and-endometrial-cells-induces-epithelial-mesenchymal-transition-like-processes-in-adenomyosis%C3%A2
#5
Min An, Dong Li, Ming Yuan, Qiuju Li, Lu Zhang, Guoyun Wang
Adenomyosis is a nonneoplastic condition characterized by the benign invasion of ectopic endometrium into the myometrium. Macrophages play significant roles in epithelial-mesenchymal transition (EMT) and adenomyosis. An EMT associated with adenomyosis has been extensively studied. This study investigated the process by which the interaction of macrophages with endometrial cells induces EMT in Ishikawa cells and epithelial cells of adenomyosis. Specimens were collected after hysterectomy or resection of adenomyosis lesions from women with adenomyosis and curettage from women without adenomyosis or endometriosis...
January 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28357098/pulmonary-sclerosing-hemangioma-with-a-rare-symptom-a-case-report-and-review-of-the-literature
#6
Le Zhou, Chuntang Sun, Yan Huang, Qiao Li, Huairong Tang, Youjuan Wang
Pulmonary sclerosing hemangioma (PSH) is a relatively rare benign tumor. However, as it occurs only rarely, the natural course of the tumor is not well understood. In the present study, a case is presented of a 35-year-old woman who underwent intermittent fevers for more than one year. This case highlighted fever as a rare symptom of PSH. Fever is possibly one of the symptoms of PSH, although it is less likely to occur. Another symptom of the patient was that the tumor grew quickly in two months. The lesion was diagnosed as multiple sclerosing hemangioma of the lung (i...
February 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28351362/a-peculiar-case-report-of-extraovarian-brenner-tumor-arising-in-the-omentum
#7
Chung Su Hwang, Chang Hun Lee, So Jeong Lee, Young Geum Kim, Ahrong Kim, Do Youn Park, Hyun Jeong Kang, Dong Hoon Shin
BACKGROUND: Brenner tumors almost always develop in the ovary. Exceptionally, extraovarian Brenner tumors have been reported in the lower abdomen or pelvic organs. Here, we introduce a peculiar case of an extraovarian Brenner tumor arising in the omentum. CASE PRESENTATION: A 43-year-old woman presented with a palpable abdominal mass. Computed tomography (CT) scan revealed a 9.0-cm solid mass in the omentum. The tumor was not associated with pelvic structures, including the ovaries...
March 28, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28349116/poorly-differentiated-high-grade-urothelial-carcinoma-presenting-as-paget-s-disease-of-the-vulva-with-no-overt-urinary-tract-neoplasm-detected
#8
Radha R Padhy, Niloo Nasseri-Nik, Fouad Abbas
OBJECTIVE: There are few reported cases of secondary (non-cutaneous) vulvar Paget's disease related to urothelial carcinoma (UC), with only 7 of them presenting initially with Paget's disease and up to a 13-year lapse from detecting a urinary tract neoplasm after the onset of symptoms. This is a case of Paget's disease of urothelial origin with no urinary tract neoplasm detected on initial presentation. METHODS: This is a 59-year-old African-American female who presented with worsening eczematous lesions for two years...
May 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28337777/syringocystadenocarcinoma-papilliferum-clinicopathologic-analysis-of-10-cases
#9
Yan Zhang, Yun-Yi Kong, Xu Cai, Xu-Xia Shen, Jin-Cheng Kong
BACKGROUND: Syringocystadenocarcinoma papilliferum (SCACP) is an exceedingly rare cutaneous adnexal neoplasm. We aimed to investigate the clinicopathologic and immunophenotypic features of SCACP, and to discuss the prognosis of this rare entity. METHOD: We retrospectively collected clinical, pathological and follow-up data of 10 cases with SCACP. RESULTS: There were 8 males and 2 females, with ages ranging from 26 to 74 years. The chest was most frequently involved...
March 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28325366/whorling-cellular-perineurioma-a-previously-undescribed-variant-closely-mimicking-monophasic-fibrous-synovial-sarcoma
#10
Michael Michal, Dmitry V Kazakov, Abbas Agaimy, Marta Hosova, Kvetoslava Michalova, Petr Grossmann, Petr Steiner, Faruk Skenderi, Semir Vranic, Michal Michal
The authors present a distinctive perineurioma (PN) variant which morphologically strongly resembles monophasic fibrous synovial sarcoma (MSS). The patients were 3 males and 1 female. The age ranged from 15 to 61years (mean: 44years). Locations included the sole, lower jaw, palm and foot. The tumor size ranged from 1.3cm to 2.5cm in the largest dimension (mean 1.8cm). Morphologically, all tumors had an identical, monotonous appearance. The perineurial cells were closely packed and created a confluent cellular whorls and/or sheets in a scarce stroma, with only focally discernible long, slender cytoplasmic processes typical for perineurial differentiation...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28320435/case-report-a-case-of-eruptive-collagenoma-occurring-in-esophagus-and-intestine
#11
Ping Gao, Lili Jing, Hai Huang, Cuiping Zhang, Junmei Hao
BACKGROUND: Eruptive collagenoma is a rare disease. All of the previously reported cases were located on the skin. Here we report such a case occurring in esophagus and intestine. CASE PRESENTATION: Our patient is a Chinese woman. Two years ago, hundreds of small nodules were identified in her esophagus and intestine. The lesions were characterized by thickened hyalinized collagen fibers and haphazard neoplastic stellate cells. The tumor cells showed generally positive for vimentin and negative for h-CALD, CD34, desmin, CD163, AE1/AE3, CK7 and CK20...
March 20, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28317047/biliary-metastasis-in-colorectal-cancer-confers-a-poor-prognosis-case-study-of-5-consecutive-patients
#12
Frederick Hong-Xiang Koh, Wang Shi, Ker-Kan Tan
The biliary duct is an extremely rare site for colon cancer metastasis. It often leads to a diagnostic dilemma, since primary cholangiocarcinoma (potentially treatable with surgery) has a similar presentation. This paper highlights our experience with 5 consecutive patients who had colon malignancy with biliary metastasis, and prognosis of their disease. Five patients, with a history of primary colon cancer since 2010, were identified to have biliary metastasis. Of these, 4 (80.0%) patients were male. The median time to diagnosis of biliary metastasis from diagnosis of colon cancer was 59...
February 2017: Annals of Hepato-Biliary-Pancreatic Surgery
https://www.readbyqxmd.com/read/28315424/diagnostic-criteria-for-oncocytic-renal-neoplasms-a-survey-of-urologic-pathologists
#13
Sean R Williamson, Ramya Gadde, Kiril Trpkov, Michelle S Hirsch, John R Srigley, Victor E Reuter, Liang Cheng, L Priya Kunju, Ravi Barod, Craig G Rogers, Brett Delahunt, Ondrej Hes, John N Eble, Ming Zhou, Jesse K McKenney, Guido Martignoni, Stewart Fleming, David J Grignon, Holger Moch, Nilesh S Gupta
Renal oncocytoma and chromophobe renal cell carcinoma (RCC) have been long recognized as distinct tumors; however, it remains unknown if uniform diagnostic criteria are used to distinguish these tumor types in practice. A survey was distributed to urologic pathologists regarding oncocytic tumors. Responses were received from 17/26 invitees. Histologically, >1 mitotic figure was regarded as most worrisome (n=10) or incompatible (n=6) with oncocytoma diagnosis. Interpretation of focal nuclear wrinkling, focal perinuclear clearing, and multinucleation depended on extent and did not necessarily exclude oncocytoma if minor...
March 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28315422/sfpq-psf-tfe3-renal-cell-carcinoma-rcc-a-clinicopathologic-study-emphasizing-extended-morphology-and-reviewing-the-differences-between-sfpq-tfe3-rcc-and-the-corresponding-mesenchymal-neoplasm-despite-an-identical-gene-fusion
#14
Xiao-Tong Wang, Qiu-Yuan Xia, Hao Ni, Sheng-Bing Ye, Rui Li, Xuan Wang, Shan-Shan Shi, Xiao-Jun Zhou, Qiu Rao
Xp11 translocation renal cell carcinoma (RCC) with SFPQ/PSF-TFE3 gene fusion is a rare epithelial tumor. Of note, the appearance of the gene fusion does not necessarily mean that it is renal cell carcinoma. The corresponding mesenchymal neoplasms, including Xp11 neoplasm with melanocytic differentiation, TFE3 rearrangement-associated perivascular epithelioid cell tumor (PEComa) and melanotic Xp11 translocation renal cancer, can also harbor the identical gene fusion. However, the differences between Xp11 translocation RCC and the corresponding mesenchymal neoplasm have only recently been described...
March 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28300911/cutaneous-metastasis-as-the-first-manifestation-of-occult-malignant-breast-neoplasia
#15
Ellem Tatiani de Souza Weimann, Erica Bruder Botero, Cinthia Mendes, Marcel Alex Soares Dos Santos, Rafael Fantelli Stelini, Caroline Romanelli T Zelenika
Cutaneous metastases from primary internal malignancies represent 0.7-9% of patients with cancer. We report a 65-year-old female patient referred for evaluation of normochromic papules on the trunk and upper limbs that had been present for three months. A skin biopsy revealed diffuse cutaneous infiltration by small round cell tumors. Immunohistochemistry was positive for AE1/AE3, CK7, estrogen receptor and mammaglobin. The final diagnosis was cutaneous metastasis of occult breast cancer, since the solid primary tumor was not identified...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28297760/-promoting-effect-of-cyclin-d1-overexpression-on-proliferation-and-epithelial-mesenchymal-transition-of-cervical-squamous-cell-carcinoma-siha-cells
#16
P Wang, S Liu, B Cheng, X Z Wu, S S Ding, L Xu, Y Liu, L Duan, S Z Sun
Objective: To study effects of cyclin D1 overexpression on the proliferation and differentiation of cervical squamous cell carcinoma SiHa cells and to investigate related signaling molecules. Methods: Primers were designed to amplify the full length of cyclin D1 gene and cyclin D1 gene was amplified by PCR for constructing pcDNA3.1 plasmid vector. The construct was then transfected into SiHa cells, and the cells with stable overexpression of cyclin D1 were established, cyclin D1 gene and protein expression were detected by RT-PCR and Western blot, respectively...
March 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28291122/smarcb1-ini-1-deficient-sinonasal-carcinoma-a-series-of-39-cases-expanding-the-morphologic-and-clinicopathologic-spectrum-of-a-recently-described-entity
#17
Abbas Agaimy, Arndt Hartmann, Cristina R Antonescu, Simion I Chiosea, Samir K El-Mofty, Helene Geddert, Heinrich Iro, James S Lewis, Bruno Märkl, Stacey E Mills, Marc-Oliver Riener, Thomas Robertson, Ann Sandison, Sabine Semrau, Roderick H W Simpson, Edward Stelow, William H Westra, Justin A Bishop
To more fully characterize the clinical and pathologic spectrum of a recently described tumor entity of the sinonasal tract characterized by loss of nuclear expression of SMARCB1 (INI1), we analyzed 39 SMARCB1-deficient sinonasal carcinomas collected from multiple medical centers. The tumors affected 23 males and 16 females with an age range of 19 to 89 years (median, 52). All patients presented with locally advanced disease (T3, n=5; T4, n=27) involving the sinuses (mainly ethmoid) with variable involvement of the nasal cavity...
April 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28288037/xp11-translocation-renal-cell-carcinomas-rccs-with-rbm10-tfe3-gene-fusion-demonstrating-melanotic-features-and-overlapping-morphology-with-t-6-11-rcc-interest-and-diagnostic-pitfall-in-detecting-a-paracentric-inversion-of-tfe3
#18
Qiu-Yuan Xia, Xiao-Tong Wang, Xue-Mei Zhan, Xiao Tan, Hao Chen, Yi Liu, Shan-Shan Shi, Xuan Wang, Xue Wei, Sheng-Bing Ye, Rui Li, Heng-Hui Ma, Zhen-Feng Lu, Xiao-Jun Zhou, Qiu Rao
Xp11 translocation renal cell carcinomas (RCC) are characterized by several different translocations involving the TFE3 gene. Tumors with different specific gene fusions may have different clinicopathologic manifestations. Only 3 RBM10-TFE3 RCCs have been reported to date. Here, we added 4 cases of this rare type of tumors with clinicopathologic, immunohistochemical, molecular, and ultrastructural analyses. Most tumors had similar patterns with mixed architectures as follows: acinar, tubular and papillary patterns of epithelioid cells combined with sheets of small cells with "pseudorosette-like" architectures, mimicking the typical morphology of t(6;11) RCC...
May 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28285963/clear-cell-colorectal-carcinoma-time-to-clarify-diagnosis
#19
Andrea Remo, Federica Grillo, Luca Mastracci, Matteo Fassan, Sokol Sina, Caterina Zanella, Pietro Parcesepe, Emanuele Damiano Urso, Massimo Pancione, Germana Bortuzzo, Aldo Scarpa, Erminia Manfrin
Primary clear cell colorectal carcinoma (CCC) is a very rare entity accounting for only 35 cases reported in the Literature. CCC is neither classified as a distinct entity nor is it defined as a CRC variant because its ontogeny remains unclear. Most of the reported CCC were found in the distal colon in patients with a mean age of 56 years. Histologically, clear cell change is the main morphologic feature and may present in a "pure" form, composed exclusively of clear cells, or in a "composite" form, admixed with other morphologically different components...
February 24, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28279206/mastalgia-as-an-atypical-presentation-of-hepatocellular-carcinoma-a-case-report
#20
AbdulAziz Mohammad Al-Sharydah, Abdulrhman Hamad Al-Abdulwahhab, Ibrahim Abobaker Alghnimi, Mohammed A El Shawarby, Faisal Ahmad Katbi
BACKGROUND: As the incidence of hepatocellular carcinoma (HCC) diagnoses in Saudi Arabia has recently increased due to better diagnostic techniques, the incidence of diagnosed HCC metastasis has also increased. Here, we report a case of HCC metastasis to the rib with an initially atypical presentation of mastalgia caused by extrahepatic metastasis. CASE PRESENTATION: A 31-year-old woman with a prior hepatitis B viral infection presented with a mass in the left breast accompanied by mastalgia for a 6-month duration...
March 9, 2017: World Journal of Surgical Oncology
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