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International Journal of Gynecological Pathology

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https://www.readbyqxmd.com/read/28796747/morphologic-and-immunohistochemical-study-of-clear-cell-carcinoma-of-the-uterine-endometrium-and-cervix-in-comparison-to-ovarian-clear-cell-carcinoma
#1
Baohui Ju, Jianmei Wang, Bo Yang, Lin Sun, Yuhong Guo, Quan Hao, Jianghua Wu
Endometrial clear cell carcinoma (ECCC) and clear cell adenocarcinoma of the cervix (CCAC) are uncommon gynecologic cancers that have morphologic and phenotypic features similar to ovarian clear cell carcinoma (OCCC), but the 3 entities may not be completely identical. This study identified the morphologic and phenotypic characteristics and the differences between ECCC and CCAC in Comparison to OCCC. The morphologic features of 16 ECCCs, 7 CCACs, and 22 OCCCs are described. The immunoprofiles of hepatocyte nuclear factor (HNF) 1β, napsin A, estrogen, progesterone, p53, and Ki-67 were assessed...
August 7, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28787324/epithelioid-inflammatory-myofibroblastic-sarcoma-of-the-ovary-with-ranb2-alk-fusion-report-of-a-case
#2
Hong Fang, Carrie L Langstraat, Daniel W Visscher, Andrew L Folpe, J Kenneth Schoolmeester
Epithelioid inflammatory myofibroblastic sarcoma (EIMS) is a recently described, clinically aggressive variant of inflammatory myofibroblastic tumor with a predilection for intraabdominal sites, tendency to arise in male patients and resistance to conventional chemotherapy and radiotherapy. We present a case of a 15-year-old girl with EIMS of the ovary with a RANBP2-ALK fusion. During 2 years of follow up, she experienced multiple recurrences. Following classification of the tumor as EIMS, the patient began treatment with an ALK inhibitor (crizotinib), which led to disease improvement within weeks of administration...
August 4, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28787323/disease-distribution-in-low-stage-tubo-ovarian-high-grade-serous-carcinoma-hgsc-implications-for-assigning-primary-site-and-figo-stage
#3
Naveena Singh, Jack L Benson, Carmen Gan, Michael Anglesio, Rupali Arora, Asma Z Faruqi, Lynn Hirschowitz, Friedrich Kommoss, Kerry Scott, Giorgia Trevisan, Sarah Lam Shang Leen, Nafisa Wilkinson, C Blake Gilks, W Glenn McCluggage
The latest FIGO and TNM (eighth edition) staging systems for ovarian, tubal, and peritoneal neoplasms require primary site assignment as tubal/ovarian/peritoneal, but provide no guidance or criteria. Fewer than 10% of extrauterine high-grade serous carcinoma (HGSC) cases present at low stage (stage I/II). Low-stage cases offer a unique opportunity to understand the pattern of disease early in its evolution prior to wide dissemination and provide valuable evidence for guiding specimen handling and tumor staging...
August 4, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28787322/invasive-micropapillary-carcinoma-of-the-uterine-cervix-case-report-of-a-rare-entity
#4
Satoru Munakata, Ayako Hosoi, Toshiya Yamamoto
Invasive micropapillary carcinoma (IMPC) is a rare subtype of adenocarcinoma found in many organs. Only 1 case of IMPC of the uterine cervix has been reported. We report a rare case of IMPC in the uterine cervix. A 61-yr-old woman presented to our hospital for vaginal bleeding and abdominal pain. A papillary tumor was found in the uterine cervix. Cervical cytology revealed abnormal cells suggesting carcinoma in situ and adenocarcinoma. A follow up biopsy revealed adenocarcinoma. She underwent radical hysterectomy and bilateral adnexectomy...
August 4, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28787321/a-rare-case-of-primary-apocrine-adenocarcinoma-arising-within-a-mature-cystic-teratoma-of-the-ovary-metastatic-to-a-supraclavicular-lymph-node
#5
Melissa Holmes, Tanya Robb
Mature cystic teratoma of the ovary is one of the most common benign tumours among reproductive aged women. Malignant transformation of a mature cystic teratoma is uncommon and metastatic malignancy is extremely rare. We report the first known case of an apocrine adenocarcinoma arising within an ovarian mature cystic teratoma which on follow-up six months later was found to be metastatic to the left supraclavicular lymph node. There are usually no pre-operative findings to raise the suspicion of malignancy in an ovarian teratoma, so awareness by the pathologist is therefore paramount...
August 4, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28787320/perivascular-epithelioid-cell-tumor-pecoma-of-the-uterine-cervix-a-case-report-of-a-43-yr-old-woman-with-abnormal-uterine-bleeding-treated-with-hysterectomy
#6
Ondrej Kovac, Pavel Babal, Karol Kajo, Daniela Kobzova, Lucia Copakova, Martin Cermak
Perivascular epithelioid cell tumor (PEComas) are a group of ubiquitous neoplasms described in different organs that share distinctive morphologic, immunohistochemical, ultrastructural, and genetic features. They have been reported in several organs such as the uterus, lung, kidney, liver, small and large bowel, and prostate. To the best of our knowledge, only 8 cervical PEComa cases have been described. We report the case of a 43-yr-old woman who presented with abnormal uterine bleeding. Clinical diagnosis of a malignant cervical lesion followed an excision, histopathologically evaluated as PEComa...
August 4, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28777098/carcinoid-arising-from-the-teratomatous-bronchial-mucosa-in-a-mature-cystic-teratoma-of-the-ovary-a-case-report
#7
Dongfeng Niu, Zhongwu Li, Li Sun, Dengfeng Cao
Primary ovarian carcinoids are relatively uncommon, either pure (monodermal teratomas) or in association with mature cystic teratomas. Here we reported a unique case of carcinoid arising from the teratomatous bronchial mucosa in an ovarian mature cystic teratoma in a 22-year-old woman. This tumor showed compact trabecular and nested growth pattern with salt-and-pepper chromatin pattern. Mitotic figures were identified (6/10 high power fields) and focal necrosis was present. Immunohistochemically the tumor cells were diffusely positive for TTF1 and CD56, focally positive for synaptophysin, and negative for chromogranin A and CDX2...
August 2, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700441/leiomyoma-with-bizarre-nuclei-clinical-and-pathologic-features-of-30-patients
#8
Mehmet Kefeli, Sultan Caliskan, Emel Kurtoglu, Levent Yildiz, Arif Kokcu
Leiomyoma with bizarre nuclei (LBN) have significant cytologic atypia, but high mitotic rate and tumor cell necrosis are absent. Although it is a benign leiomyoma variant, recurrent cases have been described. In this study, we investigated the clinical and pathologic features of LBN and compared them with related studies. A total of 30 patients diagnosed with LBN in our department were included in this study. In all cases, clinical data (age, complaint, surgery type), macroscopic features (size, location, number of leiomyomas, necrosis, and hemorrhage), microscopic features (bizarre cell distribution, bizarre cell density, cellularity, mitotic rate, tumor margin, necrosis, nuclear pseudoinclusions, karyorrhectic nuclei, prominent eosinophilic nucleoli with perinucleolar clearing, cytoplasmic eosinophilic inclusions, staghorn vessels, and alveolar-type edema), and follow-up data (recurrence and survival period) were evaluated...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700440/de-novo-tumors-of-teratoma-ganglioneuroma-arising-from-a-mature-cystic-teratoma-of-the-ovary
#9
Shannon Coy, Emily Meserve, Ross Berkowitz, Michelle S Hirsch
Mature teratomas are the most common ovarian neoplasms, accounting for 40% to 50% of ovarian tumors, and are histologically defined by the presence of multiple lineages of mature differentiated cells derived from one or more of the 3 embryonic germ layers; ectoderm, mesoderm, and endoderm. Neuroectodermal and neural crest differentiation can be observed in mature teratomas, but it is uncommon to find secondary tumors that arise from the neural crest lineage. Herein we report the uncommon finding of a ganglioneuroma arising in a mature cystic teratoma in a 26-yr-old woman...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700439/genital-rhabdomyoma-of-the-lower-female-genital-tract-a-study-of-12-cases-with-molecular-cytogenetic-findings
#10
J Kenneth Schoolmeester, Deyin Xing, Gary L Keeney, William R Sukov
Of the subtypes of extracardiac rhabdomyoma, genital rhabdomyoma is most uncommon and is occasionally classified as fetal rhabdomyoma due to morphologic similarities. In contrast to other forms of rhabdomyoma, the genetic alterations of genital rhabdomyoma are unknown. The clinical and pathologic findings in 12 cases were reviewed and 2 cases were processed for whole genome copy number analysis by single nucleotide polymorphism microarray. Twelve patients ranged in age from 43 to 65 yr (mean: 50.2 yr). Nine tumors arose in the vagina and 3 in the cervix, with their greatest dimension spanning 0...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700438/foxl2-mutation-analysis-of-ovarian-sex-cord-stromal-tumors-genotype-phenotype-correlation-with-diagnostic-considerations
#11
Natalia Buza, Serena Wong, Pei Hui
Correlation of FOXL2 mutation status with morphologic features and reticulin staining patterns was performed in a comprehensive single-institutional cohort of ovarian sex cord-stromal tumors. Fifty-one cases were included, 35 of which were morphologically diagnosed as adult granulosa cell tumor, 4 as Sertoli-Leydig cell tumor, 11 as fibroma/fibrothecoma and 1 as a thecoma. Of the adult granulosa cell tumors, 31 (88.6%) harbored FOXL2 mutation. Abundant pale cytoplasm was seen in 51.6% (16/31) of FOXL2 mutated tumors, compared with 6...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700437/adenomyoma-with-pseudoinvasive-growth-pattern-and-serosal-penetration-mimicking-endometrial-carcinoma
#12
Thomas Raj, Robert DeWitt, Nathaniel E Smith
We present a novel case of a 48-yr-old female with a uterine adenomyoma with an unusual pseudoinvasive growth pattern displaying full-thickness penetration beyond the serosal surface in association with a dehisced Caesarian scar. Before hysterectomy, magnetic resonance imaging findings showed an infiltrative lesion suggestive of endometrial carcinoma. An endometrial biopsy was benign but definitive operative management was pursued given the concerning imaging. Gross examination of the uterus demonstrated a 7...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700436/malignant-female-adnexal-tumor-of-probable-wolffian-origin-case-report-and-literature-review
#13
Shuhui Hong, Jing Cui, Li Li, Joseph Buscema, Casandra Liggins, Wenxin Zheng
Although most female adnexal tumors of probable Wolffian origin have a benign biologic behavior, occasional cases have exhibited malignant potential. We encountered a 50-yr-old woman with an uncommon female adnexal tumors of probable Wolffian origin, which involved bilateral ovaries, invaded the ipsilateral fallopian tube, and extended to the uterine serosa. The initial histopathologic presentation caused significant confusion in pathologic diagnosis. Multiple differential diagnoses including ovarian endometrioid carcinoma, Sertoli cell tumor, and metastasis from nongynecologic organs were considered...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700435/ifitm1-outperforms-cd10-in-differentiating-low-grade-endometrial-stromal-sarcomas-from-smooth-muscle-neoplasms-of-the-uterus
#14
Aurelia Busca, Previn Gulavita, Carlos Parra-Herran, Shahidul Islam
Distinguishing between uterine neoplasms of smooth muscle and endometrial stromal origin is a frequent diagnostic challenge. We investigated the staining pattern of interferon-induced transmembrane protein-1 (IFITM1), a novel endometrial stromal marker, in endometrial and smooth muscle uterine neoplasms and compared it with CD10 in its ability to differentiate between these two groups. Immunohistochemistry for IFITM1 and CD10 was performed in 20 cases of smooth muscle neoplasms (10 cases leiomyoma, 10 cases leiomyosarcoma), 14 cases of endometrial stromal sarcoma (ESS) (12 cases of low grade and 2 cases of high grade) and 12 cases of carcinosarcoma...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700434/comparison-of-p63-and-p40-immunohistochemical-stains-to-distinguish-epithelioid-trophoblastic-tumor-from-other-trophoblastic-lesions
#15
Whitney A McCarthy, Cherie Paquette, Fusun Gundogan, W Dwayne Lawrence
No abstract text is available yet for this article.
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700433/data-set-for-the-reporting-of-carcinomas-of-the-cervix-recommendations-from-the-international-collaboration-on-cancer-reporting-iccr
#16
W Glenn McCluggage, Meagan J Judge, Isabel Alvarado-Cabrero, Máire A Duggan, Lars-Christian Horn, Pei Hui, Jaume Ordi, Christopher N Otis, Kay J Park, Marie Plante, Colin J R Stewart, Edwin K Wiredu, Brian Rous, Lynn Hirschowitz
A comprehensive pathologic report is essential for optimal patient management, cancer staging and prognostication. In many countries, proforma reports are used but the content of these is variable. The International Collaboration on Cancer Reporting is an alliance formed by the Royal Colleges of Pathologists of Australasia and the United Kingdom, the College of American Pathologists, the Canadian Partnership Against Cancer and the European Society of Pathology, for the purpose of developing standardized, evidence-based reporting data sets for each cancer site...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700432/novel-fumarate-hydratase-mutation-in-siblings-with-early-onset-uterine-leiomyomas-and-hereditary-leiomyomatosis-and-renal-cell-cancer-syndrome
#17
Vinay Gunnala, Nigel Pereira, Mohamad Irani, Debra Lilienthal, Edyta C Pirog, Robert Soslow, Thomas A Caputo, Rony Elias, Isaac Kligman, Zev Rosenwaks
Hereditary leiomyomatosis renal cell cancer syndrome is an autosomal dominant disorder characterized by uterine and cutaneous leiomyomas and increased predisposition to renal cell carcinoma, papillary type II. The syndrome is caused by heterozygous mutations to the fumarate hydratase (FH) gene located on chromosome 1. Affected females generally present with early onset, atypical uterine leiomyomas and cutaneous findings, however, delays in diagnosis are very common in patients with isolated uterine findings...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700431/methods-for-measuring-and-staging-a-uterine-cervical-adenocarcinoma-showing-intracystic-papillary-growth-a-case-report
#18
Hiroshi Yoshida, Shunichi Ikeda, Takafumi Tsukada, Reiko Watanabe, Nobuyoshi Hiraoka, Tomoyasu Kato
Endocervical adenocarcinomas usually demonstrate infiltrative and/or destructive invasion, and the depth and horizontal extent of the invasion are known to have prognostic utility. Here, we report the unusual case of a patient with endocervical adenocarcinoma showing intracystic papillary growth and discuss our methods for measuring and staging this lesion. A 45-yr-old Japanese woman (gravida, 0; para, 0) underwent a cone biopsy for squamous cell carcinoma in situ and atypical glandular cells. Macroscopically, an intracystic tumor (∼7...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700430/epidermodysplasia-verruciformis-like-hpv-infection-of-the-vulva-in-immunosuppressed-women
#19
Natkrita Pohthipornthawat, Sarah Feldman, Scott R Granter, Alvaro C Laga, Christopher P Crum, Michael Herfs
The vast majority of vulvar human papilloma virus infections are produced by α human papilloma viruses and consist of exophytic or flat warts and classic or "usual" vulvar intraepithelial neoplasia. This report details 2 examples of epidermodysplasia verruciformis-like lesions of the vulva in women who were immunosuppressed. The most consistent morphologic feature was the presence of abnormal mature keratinocytes with large pale open nuclei with small nucleoli and eosinophilic cytoplasm, situated in the upper epithelial layers...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700429/mucosal-proliferations-in-completely-examined-fallopian-tubes-accompanying-ovarian-low-grade-serous-tumors-neoplastic-precursor-lesions-or-normal-variants-of-benign-mucosa
#20
Rebecca J Wolsky, Matt A Price, Charles J Zaloudek, Joseph T Rabban
Malignant transformation of the fallopian tube mucosa, followed by exfoliation of malignant cells onto ovarian and/or peritoneal surfaces, has been implicated as the origin of most pelvic high-grade serous carcinoma. Whether a parallel pathway exists for pelvic low-grade serous tumors [ovarian serous borderline tumor (SBT) and low-grade serous carcinoma (LGSC)] remains to be fully elucidated. The literature is challenging to interpret due to variation in the diagnostic criteria and terminology for cytologically low-grade proliferations of the fallopian tube mucosa, as well as variation in fallopian tube specimen sampling...
July 11, 2017: International Journal of Gynecological Pathology
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