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Journal of Pathology and Translational Medicine

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https://www.readbyqxmd.com/read/29281871/fine-needle-aspiration-cytology-of-carcinosarcoma-in-the-salivary-gland-an-extremely-rare-case-report
#1
Hyo Jung An, Hye Jin Baek, Jin Pyeong Kim, Kim Min Hye, Dae Hyun Song
Carcinosarcoma of the salivary gland is an extremely rare tumor that is composed of both malignant epithelial and mesenchymal components. Diagnosing carcinosarcoma with fine needle aspiration cytology is challenging because of its overlapping cytomorphologic characteristics with other high-grade malignant salivary gland tumors. Among the many features, including pleomorphic oncocytoid epithelial components, necrotic background, and mitoses, recognizing the singly scattered atypical spindle cells is most essential in carcinosarcoma...
December 28, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29281782/duodenal-adenocarcinoma-of-brunner-gland-origin-a-case-report
#2
Ji Hye Moon, Kyoungbun Lee, Han-Kwang Yang, Woo Ho Kim
We report a case of adenocarcinoma originating from the duodenal Brunner glands in a 47-year-old female patient. The lesion was 0.8 cm in extent and located at the posterior wall of the first part of the duodenum. Histologically, the tumor showed transition from non-neoplastic Brunner glands through dysplastic epithelimmnto adenocarcinoma. The carcinoma cells were strongly positive for MUC6 protein, which is an epithelial marker for the Brunner glands. Tumor protein p53 was overexpressed in the carcinoma cells, but not in the non-neoplastic or dysplastic epithelium...
December 27, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29281781/erdheim-chester-disease-involving-lymph-nodes-and-liver-clinically-mimicking-lymphoma-a-case-report
#3
Yeoun Eun Sung, Yoon Seo Lee, Jieun Lee, Kyo Young Lee
Erdheim-Chester disease (ECD) is a rare non-Langerhans cell histiocytosis and multisystem disease. First described in 1930, there are no more than 750 cases reported. The etiology remains unknown, but a majority of cases of ECD and Langerhans cell histiocytosis were found to have clonal mutations involving genes of the MAPK pathway. We recently encountered a 53-year-old male patient with extensive ECD involving the systemic lymph nodes, pleura, liver, and long bones clinically mimicking malignant lymphoma. Biopsies were performed at multiple sites, including a pleural mass, an external iliac lymph node, bone marrow, and the liver...
December 27, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29281780/hepatocellular-carcinoma-arising-in-a-huge-hepatocellular-adenoma-with-bone-marrow-metaplasia
#4
Hyo Jeong Kang, Hui Jeong Jeong, So-Woon Kim, Eunsil Yu, Young-Joo Lee, So Yeon Kim, Jihun Kim
Hepatocellular adenoma (HCA) is the most common type of benign liver tumor, and its major complication is malignant transformation to hepatocellular carcinoma (HCC). Here, we report a case of HCC arising in HCA with bone marrow metaplasia in a 24-year-old Korean woman who presented with abdominal discomfort. A huge liver mass was found on abdominal ultrasonography. She underwent surgical hepatic resection, and the resected specimen was entirely involved by a 20 cm sized tumor. Histological review revealed a well differentiated HCC arising from inflammatory HCA with β-catenin nuclear positivity and bone marrow metaplasia that contained hematopoietic cells...
December 27, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29268594/aberrant-cd3-expression-in-a-relapsed-plasma-cell-neoplasm
#5
Jai-Hyang Go
No abstract text is available yet for this article.
December 21, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29268593/multiple-neuroendocrine-tumors-in-stomach-and-duodenum-in-a-multiple-endocrine-neoplasia-type-1-patient
#6
Bohyun Kim, Han-Kwang Yang, Woo Ho Kim
A 67-year-old woman with a history of subtotal parathyroidectomy, distal pancreatectomy and total splenectomy 23 years prior underwent surgical gastric resection for neuroendocrine tumors of the stomach and duodenum. Meticulous examination of the entire stomach and duodenum revealed multiple scattered, minute neuroendocrine tumors. To the best of our knowledge, this is the first case report of a patient diagnosed with gastroduodenal neuroendocrine tumors associated with multiple endocrine neoplasia type 1 (MEN 1) in whom complete histologic mapping of the whole gastrectomy specimen was performed...
December 21, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29249116/rare-manifestation-of-churg-strauss-syndrome-with-mediastinal-lymphadenopathies-report-of-an-autopsy-case
#7
Woo Cheal Cho, Bharat Ramlal, Mary Fiel-Gan, Xianyuan Song
No abstract text is available yet for this article.
December 18, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29228520/the-significance-of-trop2-expression-in-predicting-braf-mutations-in-papillary-thyroid-carcinoma
#8
Joon Seog Kong, Hyeon Jin Kim, Min-Jung Kim, Areumnuri Kim, Dalnim Lee, Kanghee Han, Sunhoo Park, Jae Soo Koh, Jae Kyung Myung
Background: Trophoblast antigen 2 (TROP2) is a human trophoblast cell-surface glycoprotein that is overexpressed in several types of epithelial cancers, and is suggested to be associated with an unfavorable prognosis. BRAF mutations are the most common genetic alteration in papillary thyroid carcinoma (PTC). We evaluated the correlation between TROP2 expression and BRAF mutation in PTC. Methods: First, we carried out pyrosequencing for BRAF mutations and immunohistochemistry for TROP2 expression with a tissue microarray consisting of 52 PTC cases...
December 11, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29172395/the-clinicopathological-and-prognostic-significance-of-the-gross-classification-of-hepatocellular-carcinoma
#9
Yangkyu Lee, Hyunjin Park, Hyejung Lee, Jai Young Cho, Yoo-Seok Yoon, Young-Rok Choi, Ho-Seong Han, Eun Sun Jang, Jin-Wook Kim, Sook-Hyang Jeong, Soomin Ahn, Haeryoung Kim
Background: We aimed to determine the clinicopathological significance of the gross classification of hepatocellular carcinoma (HCC) according to the Korean Liver Cancer Association (KLCA) guidelines. Method: A retrospective analysis was performed on 242 cases of consecutively resected solitary primary HCC between 2003 and 2012 at Seoul National University Bundang Hospital. The gross classification [vaguely nodular (VN), expanding nodular (EN), multinodular confluent (MC), nodular with perinodular extension (NP) and infiltrative (INF)] was reviewed for all cases, and were correlated with various clinicopathological features and the expression status of "stemness"-related (CK19, EpCAM) and epithelial-mesenchymal transition (EMT)-related (uPAR, Ezrin) markers...
November 24, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29166764/merkel-cell-carcinoma-metastatic-to-pleural-fluid-a-case-report
#10
Ye-Young Rhee, Soo Hee Kim, Eun Kyung Kim, Se Hoon Kim
Merkel cell carcinoma (MCC) is a rare aggressive neuroendocrine carcinoma of the skin that shows locoregional and distant metastasis. Metastasis of MCC to body cavity effusion is extremely rare; only three cases had been reported so far. Metastatic MCC in effusion cytology shows small blue round cells with fine stippled chromatin like other small blue round cell tumors such as small cell lung carcinoma or lymphoma. The diagnosis of metastatic MCC could give patients good chances to get recently advanced therapeutic options...
November 23, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29166763/an-extremely-rare-cause-of-back-and-hip-pain-due-to-the-metastasis-of-late-recurrent-myxopapillary-ependymoma-to-the-inguinal-lymph-node
#11
Suheyla Ekemen, Ozlem Yapicier, Hatice Deniz Boler, Umit Ince
No abstract text is available yet for this article.
November 23, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29121459/extramural-perineural-invasion-in-pt3-and-pt4-gastric-carcinomas
#12
Alejandro España-Ferrufino, Leonardo S Lino-Silva, Rosa A Salcedo-Hernández
Background: Perineural invasion (PNI) is widely studied in malignant tumors, and its prognostic significance is well demonstrated. Most studies have focused on evaluating the mural PNI (mPNI); however, extramural PNI (ePNI) may influence the prognosis in gastric cancer. We evaluated the prognostic value of ePNI compared with mPNI in gastric cancer in this observational comparative cross-sectional study. Materials and Methods: Seventy-three pT3 and pT4 gastric carcinomas with PNI were evaluated...
November 9, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29069886/liquid-based-cytology-of-the-cerebrospinal-fluid-in-a-case-of-cryptococcal-meningitis
#13
Jiwoon Choi, Se Hoon Kim
Cryptococcus neoformans is the most common microorganism found in cerebrospinal fluid (CSF) cytology and causes life-threatening infections in immunocompromised hosts. Although its cytomorphologic features in conventional smear cytology have been well described, those in liquid-based cytology have rarely been. A 73-year-old woman with diffuse large B-cell lymphoma presented with mental confusion and a spiking fever. To rule out infectious conditions, CSF examination was performed. A cytology slide that was prepared using the ThinPrep method showed numerous spherical yeast-form organisms with diameters of 4-11 μm and thick capsules...
October 26, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29056035/the-smad4-pten-expression-pattern-predicts-clinical-outcomes-in-colorectal-adenocarcinoma
#14
Yumin Chung, Young Chan Wi, Yeseul Kim, Seong Sik Bang, Jung-Ho Yang, Kiseok Jang, Kyueng-Whan Min, Seung Sam Paik
Background: Smad4 and PTEN are prognostic indicators for various tumor types. Smad4 regulates tumor suppression, whereas PTEN inhibits cell proliferation. We analyzed and compared the performance of Smad4 and PTEN for predicting the prognosis of patients with colorectal adenocarcinoma. Materials and Methods: Combined expression patterns based on Smad4+/- and PTEN+/- statuses were evaluated by immunostaining using a tissue microarray with samples from patients with colorectal adenocarcinoma...
October 23, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29161789/current-status-of-thyroid-fine-needle-aspiration-practice-in-thailand
#15
REVIEW
Somboon Keelawat, Samreung Rangdaeng, Supinda Koonmee, Tikamporn Jitpasutham, Andrey Bychkov
Thyroid carcinoma is one of the leading malignancies in Thailand increasingly prevalent in the female population. Fine-needle aspiration (FNA) cytology is a widely used diagnostic tool for evaluation of thyroid nodules and thyroid cancer. Thyroid FNA is a routine procedure universally performed in Thai hospitals by a variety of clinical specialists. Manual guidance is the first-line choice complemented by ultrasound assistance in selected cases. Despite national guidelines recommendations, the diagnostic criteria and terminology of the Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) was slowly adopted in the local settings...
November 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29161788/aggressive-supratentorial-ependymoma-rela-fusion-positive-with-extracranial-metastasis-a-case-report
#16
Seong-Ik Kim, Yoojin Lee, Seung Ki Kim, Hyoung Jin Kang, Sung-Hye Park
Ependymoma is the third most common pediatric primary brain tumor. Ependymomas are categorized according to their locations and genetic abnormalities, and these two parameters are important prognostic factors for patient outcome. For supratentorial (ST) ependymomas, RELA fusion-positive ependymomas show a more aggressive behavior than YAP1 fusion-positive ependymomas. Extracranial metastases of intra-axial neuroepithelial tumors are extremely rare. In this paper, we report a case of aggressive anaplastic ependymoma arising in the right frontoparietal lobe, which had genetically 1q25 gain, CDKN2A homozygous deletion, and L1CAM overexpression...
November 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29073758/the-use-of-fine-needle-aspiration-fna-cytology-in-patients-with-thyroid-nodules-in-asia-a-brief-overview-of-studies-from-the-working-group-of-asian-thyroid-fna-cytology
#17
REVIEW
Chan Kwon Jung, SoonWon Hong, Andrey Bychkov, Kennichi Kakudo
Ultrasound-guided fine-needle aspiration (FNA) cytology is the most widely used screening and diagnostic method for thyroid nodules. Although Western guidelines for managing thyroid nodules and the Bethesda System for Reporting Thyroid Cytopathology are widely available throughout Asia, the clinical practices in Asia vary from those of Western countries. Accordingly, the Working Group of Asian Thyroid FNA Cytology encouraged group members to publish their works jointly with the same topic. The articles in this special issue focused on the history of thyroid FNA, FNA performers and interpreters, training programs of cytopathologists and cytotechnicians, staining methods, the reporting system of thyroid FNA, quality assurance programs, ancillary testing, and literature review of their own country's products...
November 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29046516/current-practices-of-thyroid-fine-needle-aspiration-in-asia-a-missing-voice
#18
Andrey Bychkov, Kennichi Kakudo, SoonWon Hong
No abstract text is available yet for this article.
November 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29046515/thyroid-fine-needle-aspiration-in-taiwan-the-history-and-current-practice
#19
REVIEW
Jen-Fan Hang, Chih-Yi Hsu, Chiung-Ru Lai
In Taiwan, thyroid cancer is the most common endocrine gland malignancy and the incidence of thyroid cancer has increased four-fold in the past two decades. Fine-needle aspiration is an accurate and cost-effective method of evaluating thyroid nodules and has been the gold-standard diagnostic tool for thyroid tumors in Taiwan since the 1980s. This article reviews the history, current practice, reporting systems, training, and quality assurance for thyroid fine-needle aspiration cytology in Taiwan.
November 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29046513/history-and-practice-of-thyroid-fine-needle-aspiration-in-china-based-on-retrospective-study-of-the-practice-in-shandong-university-qilu-hospital
#20
REVIEW
Zhiyan Liu, Dongge Liu, Bowen Ma, Xiaofang Zhang, Peng Su, Li Chen, Qingdong Zeng
Cytology in China developed from nothing and underwent a long journey from gynecologic cytology to that of all organs, laying a solid foundation for new developments in the 21st century. Thyroid fine-needle aspiration (FNA) was primarily developed in an endocrinology department and then in the clinical laboratory department or pathology department in the 1970-80s. Wrights staining is popular in endocrine and clinical laboratory departments, while hematoxylin and eosin staining is common in pathology. Liquid based cytology is not common in thyroid FNA cytology, while BRAF V600E mutation analysis has been the most popular molecular test...
November 2017: Journal of Pathology and Translational Medicine
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