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Journal of Pathology and Translational Medicine

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https://www.readbyqxmd.com/read/30157618/prognostic-role-of-metastatic-lymph-node-ratio-in-papillary-thyroid-carcinoma
#1
Jung-Soo Pyo, Jin Hee Sohn, Kyungseek Chang
Background: The aim of this study is to elucidate the clinicopathological significances, including the prognostic role, of metastatic lymph node ratio (mLNR) and tumor deposit diameter in papillary thyroid carcinoma (PTC) through a retrospective review and meta-analysis. Materials and Methods: We categorized the cases into high (≥ 0.44) and low mLNR (< 0.44) and investigated the correlations with clinicopathological parameters in 64 PTCs with neck level VI lymph node (LN) metastasis...
August 30, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30121971/significance-of-intratumoral-fibrosis-in-clear-cell-renal-cell-carcinoma
#2
Jae Won Joung, Hoon Kyu Oh, Sun Jae Lee, Young Ah Kim, Hyun Jin Jung
Background: Intratumoral fibrosis (ITF) is a frequent histologic finding in solid organ tumors. Renal cell carcinoma (RCC) is a highly vascularized tumor with different shapes and degrees of ITF and inflammation. ITF is a poor prognostic factor, especially in breast cancer, and is related to intratumoral necrosis (ITN) and intratumoral inflammation (ITI). However, the relationship between ITF and RCC has not been fully studied. In this study, we evaluate the relationships between ITF and other clinicopathologic parameters associated with RCC prognosis...
August 19, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30114862/differential-microrna-expression-between-egfr-t790m-and-l858r-mutated-lung-cancer
#3
Ji Yeon Kim, Woo Jeong Lee, Ha Young Park, Ahrong Kim, Dong Hoon Shin, Chang Hun Lee
Background: MicroRNAs (miRNAs) are short, non-coding RNAs that mediate post-transcriptional gene regulation. They are commonly deregulated in human malignancies, including non-small cell lung cancer (NSCLC). The aim of this study is to investigate miRNA expression in T790M-mutated NSCLC resistant to epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs). Materials and Methods: Six cases of resected NSCLC harboring the T790M mutation were examined...
August 16, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30114861/interleukin-31-interleukin-31ra-and-osmr-expression-levels-in-post-burn-hypertrophic-scars
#4
Mi Young Lee, Eun Shin, Hyunchul Kim, In Suk Kwak, Younghee Choi
Background: Although several studies have shown the role of interleukin-31 (IL-31) and its receptors in inducing pruritus in certain skin disorders, knowledge of its role in post-burn hypertrophic scars is insufficient. Therefore, the histopathological expression levels of IL-31, IL-31 receptor alpha (IL-31RA), and Oncostatin M receptor (OSMR) in post-burn hypertrophic scar tissue were investigated and compared with normal tissue expression levels. Materials and Methods: Samples of hypertrophic scar tissue were obtained from twenty burn patients through punch biopsy...
August 16, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30056637/c-reactive-protein-overexpression-in-the-background-liver-of-hepatitis-b-virus-associated-hepatocellular-carcinoma-is-a-prognostic-biomarker
#5
Jin Ho Shin, Eunsil Yu, Eun Na Kim, Chong Jai Kim
Background: Chronic hepatitis B virus (HBV) infection is a leading cause of hepatocellular carcinoma (HCC). Peripheral blood C-reactive protein (CRP) concentration and CRP overexpression in HCC cells are proven to be prognostic markers for HCC, but the significance of CRP expression in nonneoplastic hepatocytes, which are the primary origin of CRP, has not been studied. This study was conducted to determine the clinicopathologic significance of CRP immunoreactivity in the background liver of HBV-associated HCC...
July 27, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30056636/abrupt-dyskeratotic-and-squamoid-cells-in-poorly-differentiated-carcinoma-case-study-of-two-thoracic-nut-midline-carcinomas-with-cytohistologic-correlation
#6
Taebum Lee, Sangjoon Choi, Joungho Han, Yoon-La Choi, Kyungjong Lee
Cytologic diagnosis of nuclear protein in testis (NUT) midline carcinoma (NMC) is important due to its aggressive behavior and miserable prognosis. Early diagnosis of NMC can facilitate proper management, and here we report two rare cases of thoracic NMC with cytohistologic correlation. In aspiration cytology, the tumor presented with mixed cohesive clusters and dispersed single cells with diffuse background necrosis and many neutrophils. Most of the tumor cells had scanty cytoplasm and medium-sized irregular nuclei, which had fine to granular nuclear chromatin...
July 27, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30056635/an-immunohistochemical-and-polarizing-microscopic-study-of-the-tumor-microenvironment-in-varying-grades-of-oral-squamous-cell-carcinoma
#7
Aeman Khalid, Safia Siddiqui, Bharadwaj Bordoloi, Nafis Faizi, Fahad Samadi, Noora Saeed
Background: Invasion of epithelial cells into the connective tissue brings about massive morphological and architectural changes in the underlying stroma. Myofibroblasts reorganize the stroma to facilitate the movement of tumor cells leading to metastasis. The aim of this study was to determine the number and pattern of distribution of myofibroblasts and the qualitative and quantitative change that they cause in the collagen present in the stroma in various grades of oral squamous cell carcinoma (OSCC)...
July 27, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30016858/prognostic-significance-of-ephb2-expression-in-colorectal-cancer-progression
#8
Bo Gun Jang, Hye Sung Kim, Weon Young Chang, Jung Mo Bae, Gyeong Hoon Kang
Background: A receptor tyrosine kinase for ephrin ligands, EPHB2, is expressed in normal colorectal tissues and colorectal cancers (CRCs). The aim of this study was to investigate EPHB2 expression over CRC progression and determine its prognostic significance in CRC. Materials and Methods: To measure EPHB2 mRNA and protein expression, real-time PCR and immunohistochemistry were performed in 32 fresh-frozen and 567 formalin-fixed paraffin-embedded CRC samples, respectively...
July 18, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30011982/ovarian-gynandroblastoma-with-a-juvenile-granulosa-cell-tumor-component-in-a-postmenopausal-woman-a-case-report-and-literature-review
#9
Nu Ri Jang, Dae Hyung Lee, Eun Jung Jang, Young Kyung Bae, Jina Beak, Min Hye Jang
Gynandroblastoma is an extremely rare sex cord-stromal tumor with both female (granulosa cell tumor) and male (Sertoli-Leydig cell tumor) elements. Juvenile granulosa cell tumors are also very rare and are so named because they usually occur in children and adolescents. A 71-year-old woman with right upper quadrant abdominal pain visited our hospital. Pelvic computed tomography showed a large multilocular cystic mass, suspected to be of ovarian origin. We performed a total abdominal hysterectomy with bilateral salpingo-oophorectomy...
July 17, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30008198/follicular-t-cell-lymphoma-with-concomitant-lennert-lymphoma
#10
Seungkyu Choi, Jai-Hyang Go
No abstract text is available yet for this article.
July 16, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30008197/bile-granuloma-mimicking-peritoneal-seeding-a-case-report
#11
Hasong Jeong, Hye Won Lee, Hye Ra Jung, Ilseon Hwang, Sun Young Kwon, Yu Na Kang, Sang Pyo Kim, Misun Choe
Laparoscopic cholecystectomy is a widely used treatment for most cholelithiasis and is a relatively safe procedure. Foreign body granulomatous reaction to bile or gallstone spillage during laparoscopic cholecystectomy has been rarely reported. We report a case of bile granuloma after laparoscopic cholecystectomy, which mimicked peritoneal seeding. Case Report: A 59-year-old Korean man presented with right upper quadrant pain. He underwent laparoscopic cholecystectomy for acute cholecystitis with cholelithiasis...
July 16, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30008196/withdrawn-a-clinicopathologic-study-of-220-cases-of-pulmonary-sclerosing-pneumocytoma-in-korea-a-nationwide-survey
#12
Myunghee Kang, Seung Yeon Ha, Joung Ho Han, Mee Sook Roh, Se Jin Jang, Hee Jin Lee, Heae Surng Park, Geon Kook Lee, Kyo Young Lee, Jin-Haeng Chung, Yoo Duk Choi, Chang Hun Lee, Lucia Kim, Myoung Ja Chung, Soon Hee Jung, Gou Young Kim, Wan-Seop Kim
Ahead of Print article withdrawn by publisher.
July 16, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30008195/chronic-placental-inflammation-as-a-risk-factor-of-severe-retinopathy-of-prematurity
#13
Chae Young Kim, Euiseok Jung, Eun Na Kim, Chong Jai Kim, Joo Yong Lee, Ji Hye Hwang, Woo Sun Song, Byong Sop Lee, Ellen Ai-Rhan Kim, Ki-Soo Kim
Background: Chronic placental inflammation (CPI) has been implicated in the pathogenesis of diseases in premature infants, whereas retinopathy of prematurity (ROP) is a major complication primarily affecting preterm and very low-birth-weight (VLBW) infants. This study aims to investigate the association between CPI and ROP in VLBW infants. Materials and Methods: We performed a retrospective review of clinical records of VLBW infants born between 2013 and 2016. Placental pathology findings including CPI cases were analyzed using logistic regression to study infants' morbidities and other clinical characteristics...
July 16, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/30021251/endobronchial-smooth-muscle-tumors-a-series-of-five-cases-highlighting-pitfalls-in-diagnosis
#14
Tripti Nakra, Aanchal Kakkar, Shipra Agarwal, Karan Madan, Suresh C Sharma, Deepali Jain
Background: Primary endobronchial smooth muscle tumors (SMTs), which are extremely rare, include endobronchial leiomyomas and leiomyosarcomas. Clinically, SMTs present with signs and symptoms of bronchial obstruction, and lack specific radiological findings. Thus, histopathological examination is required for accurate diagnosis as well as for tumor grading. We examined the histomorphological and immunohistochemical features of endobronchial SMTs and highlighted pitfalls in diagnosis, particularly when using small biopsies...
July 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29902914/cytologic-diagnosis-of-metastatic-alveolar-rhabdomyosarcoma-in-cerebrospinal-fluid-a-case-report
#15
Bobae Shim, Jiwon Koh, Ji Hye Moon, In Ae Park, Han Suk Ryu
Rhabdomyosarcoma is a malignant soft tissue tumor which shows skeletal muscle differentiation. Leptomeningeal metastasis can occur as a late complication, but currently there are no reports that have documented the cytologic features in cerebrospinal fluid (CSF). We report a case of metastatic alveolar rhabdomyosarcoma diagnosed in the CSF of a 28-year-old male who was originally diagnosed with rhabdomyosarcoma on the neck, and that went through systemic therapy. The tumor was positive for anaplastic lymphoma kinase, but progressed despite additional therapy with crizotinib...
July 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29902913/pulmonary-nodular-lymphoid-hyperplasia-with-mass-formation-clinicopathologic-characteristics-of-nine-cases-and-review-of-the-literature
#16
Jongmin Sim, Hyun Hee Koh, Sangjoon Choi, Jinah Chu, Tae Sung Kim, Hojoong Kim, Joungho Han
Background: Pulmonary nodular lymphoid hyperplasia (PNLH) is a non-neoplastic pulmonary lymphoid disorder that can be mistaken for malignancy on radiography. Herein, we present nine cases of PNLH, emphasizing clinicoradiological findings and histological features. Methods: We analyzed radiological and clinicopathological features from the electronic medical records of nine patients (eight females and one male) diagnosed with PNLH. IgG and IgG4 immunohistochemical staining was performed in three patients...
July 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29890568/hyalinizing-trabecular-tumor-of-the-thyroid-gland-a-diagnostic-challenge-in-fine-needle-aspiration-cytology-case-report
#17
Ye-Young Rhee, Hong Kyu Jung, Se Hoon Kim, Soo Hee Kim
Hyalinizing trabecular tumor (HTT) is a rare thyroid tumor with low to minimal malignant potential. HTT is often misinterpreted as other thyroid tumors, including papillary thyroid carcinoma (PTC) and medullary thyroid carcinoma (MTC), on fine-needle aspiration (FNA) cytology, because of its overlapping cytologic features, such as nuclear grooves and intranulcear pseudoinclusions. Although cytopathologists cannot definitely conclude HTT by FNA cytology, suspicion of HTT is necessary to avoid misdiagnosing HTT as PTC or MTC and to avoid unnecessary aggressive treatment...
July 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29874900/malignant-pleural-effusion-from-metastatic-prostate-cancer-a-case-report-with-unusual-cytologic-findings
#18
Jinyoung Jeon, Tae-Jung Kim, Hong Sik Park, Kyo-Young Lee
We present a case of 55-year-old man who complained of dyspnea and sputum for a month. He was an ex-smoker with a history of prostate cancer and pulmonary tuberculosis. Chest radiographs revealed bilateral pleural effusions of a small to moderate amount. Pigtail catheters were inserted for drainage. The pleural fluid consisted of large clusters and tightly cohesive groups of malignant cells, which however could not be ascribed to prostate cancer with certainty. We performed immunocytochemical panel studies to determine the origin of cancer metastasis...
July 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29794961/combined-hepatocellular-carcinoma-and-neuroendocrine-carcinoma-with-ectopic-secretion-of-parathyroid-hormone-a-case-report-and-review-of-the-literature
#19
Hyun Jung Kwon, Ji-Won Kim, Haeryoung Kim, YoungRok Choi, Soomin Ahn
Primary combined hepatocellular carcinoma (HCC) and neuroendocrine carcinoma is a rare entity, and so is hypercalcemia due to ectopic parathyroid hormone (PTH) secretion by tumor. A 44-year old man with hepatitis B virus associated chronic liver disease presented with a hepatic mass. Hemihepatectomy discovered the mass as combined HCC and poorly differentiated cholangiocarcinoma. During adjuvant chemoradiation therapy, he presented with nausea, and multiple systemic metastases were found. Laboratory tests revealed hypercalcemia with markedly elevated PTH and neuron specific enolase...
July 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29747485/sudden-child-death-due-to-thrombotic-giant-coronary-artery-aneurysms-complicated-by-atypical-kawasaki-disease-an-autopsy-case
#20
DongJa Kim, Man-Hoon Han, SangHan Lee
No abstract text is available yet for this article.
July 2018: Journal of Pathology and Translational Medicine
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