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International Journal of Gynecological Pathology

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https://www.readbyqxmd.com/read/29995653/ovarian-lipoleiomyoma-a-rare-entity
#1
Vikarn Vishwajeet, Nirmalya Banerjee, Pranab Dey
Ovarian lipoleiomyoma is an extremely rare neoplasm and may pose a diagnostic challenge for clinicians, radiologists, and pathologists. It is rarely described as case reports in the literature; almost all patients are late middle aged or elderly. Hereby, we encountered a 57-yr-old postmenopausal woman who presented with abdominal pain. Radiologic investigation revealed a heterogenous nonenhancing mass in the left adnexa, suggestive of dermoid cyst. Microscopic examination showed clusters of adipocytes intersecting the fascicles of smooth muscles, diagnostic of lipoleiomyoma...
July 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29995652/expression-of-hpv-induced-dna-damage-repair-factors-correlates-with-cin-progression
#2
Chelsey C Spriggs, Luis Z Blanco, Kruti P Maniar, Laimonis A Laimins
Human papillomaviruses (HPVs) are DNA viruses with epithelial tropism. High-risk types of HPV are the causative agents of the majority of cervical cancers and are responsible for a number of other anogenital as well as oropharyngeal cancers. The life cycle of HPV is closely linked to the differentiation state of its host cell and is dependent on the activation of specific pathways of the DNA damage response. Several proteins from the ataxia telangiectasia mutated and the ataxia telangiectasia mutated and Rad3-related DNA repair pathways, which are essential for maintaining genomic stability in cells, are upregulated in HPV-positive cells and are required for viral replication...
July 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29901524/ectopic-fetal-hepatic-tissue-in-the-placenta
#3
David P Stonko, Jiancong Liang, Amy G Weeks, Raymond W Redline, Theonia K Boyd, Jaclyn C Watkins, Alexandra E Kovach
When an unusual intraplacental lesion is identified during pathologic examination, it becomes of substantial import to determine whether it represents a normal structure, metastasis from the mother, or a primary benign tumor, including those secondary to abnormal embryologic development versus a primary malignant placental tumor. In this case report, we identified an incidental nest of intraplacental cells with nondiagnostic morphology and negative initial Glypican-3 stain in a healthy 35-wk gestation. This negative result prompted a broadening of the differential before ultimately determining this lesion was indeed ectopic liver with positive Arginase-1 and HepPar-1 staining...
June 12, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29901523/ovarian-carcinoma-histotype-strengths-and-limitations-of-integrating-morphology-with-immunohistochemical-predictions
#4
Martin Köbel, Li Luo, Xin Grevers, Sandra Lee, Angela Brooks-Wilson, C Blake Gilks, Nhu D Le, Linda S Cook
Ovarian carcinoma histotypes are critical for research and patient management and currently assigned by a combination of histomorphology +/- ancillary immunohistochemistry (IHC). We aimed to validate the previously described IHC algorithm (Calculator of Ovarian carcinoma Subtype/histotype Probability version 3, COSPv3) in an independent population-based cohort, and to identify problem areas for IHC predictions. Histotype was abstracted from cancer registries for eligible ovarian carcinoma cases diagnosed from 2002 to 2011 in Alberta and British Columbia, Canada...
June 12, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29901522/expression-of-markers-of-m%C3%A3-llerian-clear-cell-carcinoma-in-primary-cervical-and-vaginal-gastric-type-adenocarcinomas
#5
Karen L Talia, Richard Wing-Cheuk Wong, W Glenn McCluggage
The incidence of cervical adenocarcinoma, both absolute and relative to squamous cell carcinoma, is increasing. Most cervical adenocarcinomas are human papillomavirus associated, although non-human papillomavirus-associated neoplasms exist; the latter include gastric-type adenocarcinoma (GAS) and clear cell carcinoma (CCC). Histologically, these 2 tumors may superficially resemble one other and although morphologic evaluation usually permits a correct diagnosis, immunohistochemistry may be required to resolve diagnostic uncertainty, especially in a small biopsy specimen...
June 12, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29901521/serum-prolactin-contributes-to-enhancing-prolactin-receptor-and-pjak2-in-type-i-endometrial-cancer-cells-in-young-women-without-insulin-resistance
#6
Chimeddulam Erdenebaatar, Munekage Yamaguchi, Mahina Monsur, Fumitaka Saito, Ritsuo Honda, Hironori Tashiro, Takashi Ohba, Ken-Ichi Iyama, Hidetaka Katabuchi
Elevated levels of serum prolactin and a high expression of prolactin receptor (PRLR) in cancer cells was recently identified in patients with endometrial cancer (EC). However, the impact of prolactin on EC remains unknown. The aim of this study was to elucidate the clinical and immunohistochemical characteristics of hyperprolactinemic patients with EC according to the pathogenetic types, type I and type II. EC patients were retrospectively divided into a high prolactin (HP) group and a low prolactin (LP) group by a serum prolactin level of 20 ng/mL and were compared between 2 groups...
June 12, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29901520/zc3h7b-bcor-rearranged-endometrial-stromal-sarcomas-a-distinct-subset-merits-its-own-classification
#7
Sorsiah Mansor, Chik Hong Kuick, Sheow Lei Lim, Richard Quek, Adele Pek Choo Wong, Soo Kim Lim-Tan, Timothy Yong Kuei Lim, Kenneth Tou En Chang
A 41-yr-old lady with abnormal uterine bleeding underwent total abdominal hysterectomy. Histologic assessment revealed an endometrial stromal sarcoma (ESS) with minimal cytologic atypia and low mitotic count (up to 7/10 high-power fields) with only focal myxoid areas, morphologically corresponding to a low-grade ESS. Immunohistochemical stains showed cyclin D1 and CD10 positivity, and negative staining for CD117 and progesterone receptor. This tumor was clinically aggressive and recurred 6 mo later. The patient died 19 mo following initial diagnosis...
June 12, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29901519/evidence-of-a-monoclonal-origin-for-bilateral-serous-tubal-intraepithelial-neoplasia
#8
Emily E Meserve, Kyle C Strickland, Alexander Miron, Thing R Soong, Frank Campbell, Brooke E Howitt, Christopher P Crum
Serous tubal intraepithelial carcinoma (STIC) is found in 10% to 60% of cases of tuboovarian high-grade serous carcinoma (HGSC) and is presumed to be the site of origin, linking many HGSCs to the fallopian tube. Bilateral STIC is present in ∼20% of cases. Because clonal Tp53 mutations are a defining feature of HGSC, including their associated STICs, we analyzed 4 cases of bilateral serous tubal intraepithelial neoplasia (STIN), including STIC and Tp53-mutated serous tubal intraepithelial lesions (STILs), associated with HGSC to determine whether they contained the same or different p53 mutations...
June 12, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29851866/papilloma-of-the-fallopian-tube-a-rare-gynecologic-neoplasm-harboring-a-braf-c-1799t-a-mutation-v600e
#9
Jeremias Wohlschlaeger, Ben Davidson, Karl Worm, Henning Feist, Jochen Peters, Thomas Hager, Kurt W Schmid, Horst Ostertag
Papillomas of the fallopian tube are exceedingly rare benign tumors, and only very few cases have been reported in the literature. Clinically, they may present as a mass lesion or occur without symptoms. Histomorphologically, they are papillary tumors covered by nonatypical epithelium with occasional ciliated or goblet cells growing in the lumen, and they are most frequently located in the infundibular region of the fallopian tube. They require a number of differential diagnostic evaluations and can be mistaken for either other benign tumors or malignant neoplasms...
May 30, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29851865/fascin-as-a-useful-marker-for-identifying-neural-components-in-immature-teratomas-of-human-ovary-and-those-derived-from-murine-embryonic-stem-cells
#10
Ryunosuke Umehara, Atsushi Kurata, Masakatsu Takanashi, Hirotsugu Hashimoto, Koji Fujita, Toshitaka Nagao, Masahiko Kuroda
Immature teratoma of the human ovary is a rare disease, and its diagnosis and grading are currently based on histologic evaluation of the presence and amount of immature neural components in the tumor. Despite the importance of tumor grading, immature neural components especially without rosette formation are difficult to identify, partly because useful biomarkers for them are not yet available. Toward this goal, we investigated 16 immature teratomas from human ovaries as well as 10 of those derived from murine embryonic stem cells transplanted into immunodeficient mice...
May 30, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29787420/letter-to-the-editor
#11
Robert H Young, Philip B Clement
No abstract text is available yet for this article.
May 21, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750710/insufficient-and-scant-endometrial-samples-determining-clinicopathologic-outcomes-and-consistency-in-reporting
#12
Emily A Goebel, C Meg McLachlin, Helen C Ettler, Michele M Weir
There are no widely accepted pathologic criteria for reporting endometrial samples with limited tissue and no consensus on the clinical follow-up of patients with these samples. Our study compares clinicopathologic outcomes and determines reporting consistency for these samples. This was done in 3 parts: (1) retrospective chart review of all patients with reported insufficient or scant endometrial samples from 2010 to 2013 at our center to determine repeat sampling and final pathologic diagnosis; (2) survey of gynecologists about their practice for managing patients with these samples; (3) blind review of 99 cases of previously reported scant or insufficient samples in which 4 reviewers separately reassigned cases as scant, insufficient, or diagnostic...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750709/classic-vulvar-intraepithelial-neoplasia-with-superimposed-lichen-simplex-chronicus-a-unique-variant-mimicking-differentiated-vulvar-intraepithelial-neoplasia
#13
Jaclyn C Watkins, Eric Yang, Christopher P Crum, Michael Herfs, Tarik Gheit, Massimo Tommasino, Marisa R Nucci
High-grade vulvar intraepithelial neoplasia, a precursor lesion to vulvar squamous cell carcinoma, is subdivided into 2 types, classic or usual vulvar intraepithelial neoplasia (CVIN) and differentiated vulvar intraepithelial neoplasia (DVIN). CVIN, which is a human papilloma virus (HPV)-dependent lesion, is typically distinguished from DVIN, a p53 mutation-dependent process, by its distinct histomorphologic and immunohistochemical characteristics. However, distinguishing between the 2 entities becomes challenging in cases of CVIN with superimposed inflammatory changes, especially lichen simplex chronicus (LSC)...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750708/endometrioid-adenocarcinoma-with-solitary-metastasis-to-the-appendix-mimicking-primary-appendiceal-adenocarcinoma-a-case-report-and-literature-review
#14
Qiujie Ma, Jianshe Wu
Metastatic tumors of the appendix are rare. Endometrial cancer tends to metastasize by directly invading neighboring structures; the lung, liver, bones, and brain are common sites of distant metastasis. Herein, we present a case of a solitary endometrial metastatic tumor in the appendiceal mucosa without serosal involvement that mimicked a primary adenocarcinoma of the appendix. The patient who had undergone a radical hysterectomy for an endometrioid adenocarcinoma 3 years earlier presented to the hospital with a history of persistent right-lower abdominal pain...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750707/secondary-tumors-of-the-gynecologic-tract-a-clinicopathologic-analysis
#15
Georgia Karpathiou, Celine Chauleur, Sirine Hathroubi, Michel Peoc'h
Although the spread of extragenital tumors to individual female genital tract organs, particularly the ovary, has been much studied, histologic data with regard to secondary tumors involving the whole gynecologic tract are largely lacking. Thus, the aim of the study was to investigate the pathologic and clinical features of these tumors in order to better understand their features. This is a retrospective study of 196 secondary lesions involving the gynecologic tract. The parameters studied were the primary site, its histologic type and grade, the presence of mucous production, the type of secondary involvement, defined as distant metastasis, direct extension or locoregional recurrence, and the time to metastasis...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750706/immunohistochemical-analysis-of-somatostatin-receptors-in-endometriosis-tissue-samples-a-retrospective-study
#16
Maxime Fastrez, Camille Marchisello, Marc Rassy, Serge Rozenberg, Nicolas Sirtaine
Three types of endometriosis are described: superficial peritoneal endometriosis (SPE), ovarian endometrioma (OMA), and deep infiltrating endometriosis (DIE). The expression of somatostatin receptors (SSTR1, 2, and 5) in human endometrial tissue and its ectopic form has been previously studied and may be different in each type of endometriosis. The aim of this study was to assess the immunohistochemical expression of SSTR1, 2, and 5 in tissue samples of SPE, OMA, and DIE. We performed a retrospective analysis in the pathology department database...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750705/thickened-endometrium-in-postmenopausal-women-with-an-initial-biopsy-of-limited-benign-surface-endometrium-clinical-outcome-and-subsequent-pathologic-diagnosis
#17
Josephine K T Dermawan, Christine Hur, Maria G Uberti, Rebecca Flyckt, Tommaso Falcone, Jennifer Brainard, Fadi W Abdul-Karim
Endometrial biopsy or curetting is indicated for postmenopausal women with abnormal uterine bleeding and/or thickened endometrium. Often, endometrial biopsy or curetting yields limited benign surface endometrium, which may indicate insufficient sampling. This study addresses the clinical outcome and subsequent pathologic diagnoses in postmenopausal women who received this initial diagnosis. Among a total of 370 endometrial biopsy or curetting between 2012 and 2015, 192 (52%) were diagnosed as limited benign surface endometrial epithelium...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750704/claudin-4-expression-is-associated-with-survival-in-ovarian-cancer-but-not-with-chemotherapy-response
#18
Ondrej Ondič, Henrieta Šidlová, Reza Alaghehbandan
No abstract text is available yet for this article.
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750703/an-epithelioid-smooth-muscle-neoplasm-mimicking-a-signet-ring-cell-carcinoma-in-the-ovary
#19
Deyin Xing, Alexander A Berrebi, Chengbao Liu, Abby Richmond, Russell Vang, Brigitte M Ronnett
A 53-yr-old woman who presented with elevated renal indices was discovered to have a 4.5 cm right renal mass and an incidental 9.7 cm left ovarian mass on imaging studies. She underwent a partial nephrectomy and bilateral salpingo-oophorectomy, revealing a chromophobe renal cell carcinoma and an unusual ovarian neoplasm with epithelioid cells displaying prominent signet ring cell-like morphology. Immunohistochemical analysis of the ovarian neoplasm demonstrated that the tumor cells were diffusely immunoreactive for smooth muscle markers and negative for all tested cytokeratins and epithelial membrane antigen...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750702/morphologic-features-of-gastric-type-cervical-adenocarcinoma-in-small-surgical-and-cytology-specimens
#20
Gulisa Turashvili, Elizabeth G Morency, Mihaela Kracun, Deborah F DeLair, Sarah Chiang, Robert A Soslow, Kay J Park, Rajmohan Murali
Gastric-type cervical adenocarcinoma (GCA) is a human papillomavirus-unassociated, aggressive, chemorefractory tumor. Well-differentiated examples may exhibit bland morphologic appearances, which could potentially lead to misdiagnosis, particularly in limited material. We sought to characterize the morphologic features of GCA in surgical biopsy and cytology specimens. We identified patients with histologic diagnoses of GCA or minimal-deviation adenocarcinoma between 2004 and 2017. Available slides from biopsy, curettage, and cytology specimens were reviewed...
May 10, 2018: International Journal of Gynecological Pathology
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