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Melanoma pathology

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https://www.readbyqxmd.com/read/29332062/cytologic-features-of-malignant-melanoma-with-osteoclast-like-giant-cells
#1
José A Jiménez-Heffernan, Magdalena Adrados, Patricia Muñoz-Hernández, Paloma Fernández-Rico, Ana I Ballesteros-García, Javier Fraga
BACKGROUND: Malignant melanoma showing numerous osteoclast-like giant cells (OGCs) is an uncommon morphologic phenomenon, rarely mentioned in the cytologic literature. The few reported cases seem to have an aggressive clinical behavior. Although most findings support monocyte/macrophage differentiation, the exact nature of OGCs is not clear. CASE: A 57-year-old woman presented with an inguinal lymphadenopathy. Sixteen years before, cutaneous malignant melanoma of the lower limb had been excised...
January 13, 2018: Acta Cytologica
https://www.readbyqxmd.com/read/29327717/combined-mutation-and-copy-number-variation-detection-by-targeted-next-generation-sequencing-in-uveal-melanoma
#2
Kyra N Smit, Natasha M van Poppelen, Jolanda Vaarwater, Robert Verdijk, Ronald van Marion, Helen Kalirai, Sarah E Coupland, Sophie Thornton, Neil Farquhar, Hendrikus-Jan Dubbink, Dion Paridaens, Annelies de Klein, Emine Kiliç
Uveal melanoma is a highly aggressive cancer of the eye, in which nearly 50% of the patients die from metastasis. It is the most common type of primary eye cancer in adults. Chromosome and mutation status have been shown to correlate with the disease-free survival. Loss of chromosome 3 and inactivating mutations in BAP1, which is located on chromosome 3, are strongly associated with 'high-risk' tumors that metastasize early. Other genes often involved in uveal melanoma are SF3B1 and EIF1AX, which are found to be mutated in intermediate- and low-risk tumors, respectively...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29325244/-expert-consensus-on-pathologic-diagnosis-of-melanoma-in-china
#3
(no author information available yet)
No abstract text is available yet for this article.
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29322826/evaluation-of-the-eighth-american-joint-committee-on-cancer-staging-system-for-malignant-melanoma-of-the-skin
#4
Omar Abdel-Rahman
AIM: To validate the changes among the American Joint Committee on Cancer (AJCC) eighth staging system for cutaneous melanoma. METHODOLOGY: Surveillance, Epidemiology and End Results database (2004-2014) was queried. Kaplan-Meier survival estimates were evaluated according to both AJCC seventh and eighth systems. RESULTS: Overall survival was assessed according to the two editions and p-values for overall trend were significant (p < 0...
January 11, 2018: Future Oncology
https://www.readbyqxmd.com/read/29319729/effects-of-nivolumab-in-peritoneal-carcinamatosis-of-malign-melanoma-in-mouse-model
#5
Ozgul Duzgun, Inanc Samil Sarici, Serkan Gokcay, Kivilcim Eren Ates, Mehmet Bertan Yılmaz
PURPOSE: To evaluate the efficacy of nivolumab and comparison with dacarbazine (DTIC) on peritoneal carcinomatosis of malignant melanoma in mouse model. METHODS: Mouse skin melanoma cells was injected under the capsule of the peritoneal surface in the left side of the abdomen. On postoperative day ten, mouses randomised into three groups. Group 1: Control, Group 2: HIPEC (Hyperthermic intraperitoneal chemotherapy) with DTIC and Group 3: HIPEC with Nivolumab. After the sacrification on postoperative day fifteen, peritoneum evaluated macroscopically and histopathologically by using peritoneal regression grading score (PRGS)...
December 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29316475/the-sentinel-lymph-node-spread-determines-quantitatively-melanoma-seeding-to-non-sentinel-lymph-nodes-and-survival
#6
Anja Ulmer, Klaus Dietz, Melanie Werner-Klein, Hans-Martin Häfner, Claudia Schulz, Philipp Renner, Florian Weber, Helmut Breuninger, Martin Röcken, Claus Garbe, Gerhard Fierlbeck, Christoph A Klein
INTRODUCTION: Complete lymph node dissection (CLND) after a positive sentinel node (SN) biopsy provides important prognostic information in melanoma patients but has been questioned for therapeutic use recently. We explored whether quantification of the tumour spread to SNs may replace histopathology of non-sentinel nodes (NSNs) for staging purposes. PATIENTS AND METHODS: We quantified melanoma spread in SNs and NSNs in 128 patients undergoing CLND for a positive SN...
January 6, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29307109/mir-137-inhibits-melanoma-cell-proliferation-through-downregulation-of-glo1
#7
Na Lv, Shuai Hao, Chonglin Luo, Alia Abukiwan, Ying Hao, Fei Gai, Weiwei Huang, Lingyun Huang, Xueyuan Xiao, Stefan B Eichmüller, Dacheng He
Late-stage melanoma is refractory to current therapies. MicroRNAs (miRNAs) can modulate many physiological and pathological processes of melanoma. Studies have demonstrated that miR-137 acts as a tumor suppressor by inhibiting the proliferation of melanoma cells through targeting multiple mRNAs. The glyoxalase system member glyoxalase 1 (GLO1) is the principal scavenging enzyme of methylglyoxal (MG), a toxic byproduct of glycolysis. Using 35S in vivo/vitro labelling analysis for dynamic proteomics (SiLAD), we found that miR-137 downregulated the expression of GLO1 in melanoma cells...
January 2, 2018: Science China. Life Sciences
https://www.readbyqxmd.com/read/29307097/robotic-inguinal-lymph-node-dissection-for-melanoma-a-novel-approach-to-a-complicated-problem
#8
G Alan Hyde, Nathan L Jung, Alvaro A Valle, Syamal D Bhattacharya, Christopher E Keel
BACKGROUND: Indications for superficial inguinal lymph node (ILN) dissection in melanoma include fine needle aspiration or clinically positive ILN and sentinel lymph nodes (SLN). Open inguinal lymphadenectomy may be complicated by poor wound healing, deep vein thrombosis, and lymphedema. Technical considerations and case series of a novel surgical approach, robotic inguinal lymphadenectomy, are presented. METHODS: This is a case series of four robotic ILN dissections for melanoma at a tertiary care facility...
January 6, 2018: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/29303446/combination-ipilimumab-and-radiosurgery-for-brain-metastases-tumor-edema-and-adverse-radiation-effects
#9
Kevin Diao, Shelly X Bian, David M Routman, Cheng Yu, Paul E Kim, Naveed A Wagle, Michael K Wong, Gabriel Zada, Eric L Chang
OBJECTIVE Tumor and edema volume changes of brain metastases after stereotactic radiosurgery (SRS) and ipilimumab are not well described, and there is concern regarding the safety of combination treatment. The authors evaluated tumor, edema, and adverse radiation-induced changes after SRS with and without ipilimumab and identified associated risk factors. METHODS This single-institution retrospective study included 72 patients with melanoma brain metastases treated consecutively with upfront SRS from 2006 to 2015...
January 5, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29297092/conjunctival-melanoma-association-of-cyclooxygenase-2-tumor-expression-to-prognosis
#10
Rita Pinto-Proença, Mariana Santos, Cristina Fonseca, Júlia Fernandes, Maria Filomena Gaspar, Rui Proença
PURPOSE: Conjunctival melanoma is a rare but potentially lethal tumor. Its biologic profile is still largely unknown, with recent studies aiming at establishing histopathological and genetic tumor profiles. The aim of this study was to analyze the association between clinicopathological characteristics and tumor expression of cyclooxygenase-2 (COX-2) to prognosis, assessing its usefulness as a possible prognostic marker. METHODS: Case series of 50 patients from 1991 to 2008 with pathologically proven conjunctival melanoma...
January 2, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29290656/early-gastric-cancer-frequently-has-high-expression-of-kk-lc-1-a-cancer-testis-antigen
#11
Nobue Futawatari, Takashi Fukuyama, Rui Yamamura, Akiko Shida, Yoshihito Takahashi, Yatsushi Nishi, Yoshinobu Ichiki, Noritada Kobayashi, Hitoshi Yamazaki, Masahiko Watanabe
AIM: To assess cancer-testis antigens (CTAs) expression in gastric cancer patients and examined their associations with clinicopathological factors. METHODS: Eighty-three gastric cancer patients were evaluated in this study. Gastric cancer specimens were evaluated for the gene expression of CTAs, Kitakyushu lung cancer antigen-1 (KK-LC-1), melanoma antigen (MAGE)-A1, MAGE-A3 and New York esophageal cancer-1 (NY-ESO-1), by reverse transcription PCR. Clinicopathological background information, such as gender, age, tumor size, macroscopic type, tumor histology, depth of invasion, lymph node metastasis, lymphatic invasion, venous invasion, and pathological stage, was obtained...
December 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29285390/elevated-erythrocyte-sedimentation-rate-is-associated-with-metastatic-disease-and-worse-survival-in-patients-with-cutaneous-malignant-melanoma
#12
Faruk Tas, Kayhan Erturk
Elevated erythrocyte sedimentation rate (ESR) is common in cancer patients and it may affect survival. However, its clinical role and prognostic significance remain unknown in melanoma patients. The objective of the present study was to determine the clinical significance of the ESR levels in cutaneous melanoma patients. A total of 139 cutaneous melanoma patients were enrolled in this study and were retrospectively investigated. The median age of the patients was 52 years (range, 16-88 years). The median ESR was 22 mm/h (range, 2-122 mm/h)...
December 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29285379/patient-age-and-cutaneous-malignant-melanoma-elderly-patients-are-likely-to-have-more-aggressive-histological-features-and-poorer-survival
#13
Faruk Tas, Kayhan Erturk
Patient age has been reported as a highly significant and strong predictor of the outcome in patients with cutaneous melanoma. The aim of the present study was to determine the clinical significance of patient age in Turkish patients with cutaneous melanoma. A total of 1,169 patients with pathologically proven cutaneous melanoma were enrolled. Age of patients was classified as young (<40 years), middle-aged (40-59 years) and old (≥60 years). The median age of the patients was 51 years (range, 16-104 years)...
December 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29285235/eyes-absent-gene-eya1-is-a-pathogenic-driver-and-a-therapeutic-target-for-melanoma
#14
Joshua Jiawei Zhou, Yuanshen Huang, Xue Zhang, Yabin Cheng, Liren Tang, Xiaodong Ma
EYA1 is a DNA repair enzyme that is induced after DNA damage and is upregulated in melanoma. However, its role in pathogenesis and therapeutic targeting of melanoma is unknown. Our objectives are (1) to study the relationship between EYA1 expression levels and melanoma patients' clinical pathologic parameters including survival; (2) to investigate its impact on cultured melanoma cells in vitro; and (3) to evaluate EYA1 inhibitors' potential as a treatment of melanoma. Melanoma tissue microarrays were used to assess EYA1 protein expression in 326 melanoma tissues, and to correlate the expression with patients' clinical pathological parameters...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29276058/robot-assisted-anterior-pelvic-exenteration-in-vulvovaginal-malignant-melanoma
#15
Se Ik Kim, Seungmee Lee, Chang Wook Jeong, Hee Seung Kim
OBJECTIVE: Melanomas of the vulva and vagina are rare, and surgery is the gold standard of treatment [1, 2]. Since recent studies have reported pelvic exenteration by using robotic surgical system [3, 4], we showed the surgical procedures of robot-assisted anterior pelvic exenteration (rAPE) with ileal conduit urinary diversion for vulvovaginal malignant melanoma. METHODS: A 55-year-old woman who received vaginal wall resection due to vaginal malignant melanoma 8months before was referred...
December 21, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29261131/histology-of-non-melanoma-skin-cancers-an-update
#16
REVIEW
Giovanni Paolino, Michele Donati, Dario Didona, Santo Raffaele Mercuri, Carmen Cantisani
Non-melanoma skin cancer (NMSC) is the most frequently diagnosed cancer in humans. Several different non-melanoma skin cancers have been reported in the literature, with several histologic variants that frequently cause important differential diagnoses with other cutaneous tumors basal cell carcinoma (BCC) is the most common malignant skin tumor, with different histologic variants that are associated with a greater or less aggressive behavior and that usually may be confused with other primitive skin tumors...
December 20, 2017: Biomedicines
https://www.readbyqxmd.com/read/29250968/-ocular-surface-squamous-neoplasia
#17
Gábor Tóth, Gábor László Sándor, Andrea Gyenes, Jeannette Tóth, Berthold Seitz, Zoltán Zsolt Nagy, Nóra Szentmáry
To summarize actual knowledge on epidemiology, etiology, pathology, clinical apparence and treatment of ocular surface squamous neoplasias. We summarize up-to-date literature on conjunctival intraepithelial neoplasia and invasive squamous cell carcinoma and present some own cases. Ocular surface squamous neoplasia is the most common malignant ocular surface tumor and the third most common ocular malignancy following malignant melanoma and lymphoma. In spite of its low malignant potential, in advanced stages it may reduce visual acuity significantly or even the eye globe has to be removed...
December 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29250649/inflammatory-juvenile-compound-conjunctival-nevi-a-clinicopathological-study-and-literature-review
#18
Claudia Florida Costea, Mihaela Dana Turliuc, Gabriela Dimitriu, Camelia Margareta Bogdănici, Anca MoŢoc, Mădălina Adriana Chihaia, Cristina Dancă, Andrei Cucu, Alexandru Cărăuleanu, Nicoleta Dumitrescu, Lucia Indrei, Şerban Turliuc
AIM: The conjunctival nevus affecting children and adolescents is a rare condition and the literature showed only few reports on this issue. The aim of this article is to determine the histopathological features for the correct diagnosis of an inflammatory juvenile compound nevus of the conjunctiva (IJCNC) in order to make the difference between this tumor and other lesions, like conjunctival melanoma or lymphoma, very similar from a gross point of view. This article is a clinical pathological study of two cases of IJCNC with particular histopathological characteristics, who were admitted at the 2nd Ophthalmology Clinic, "Prof...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29250583/slow-growing-amelanotic-malignant-melanoma-of-the-esophagus-with-long-survival-a-case-report-and-review-of-the-literature
#19
Yutaka Hirayama, Tajika Masahiro, Tsutomu Tanaka, Makoto Ishihara, Sachiyo Ohnishi, Kazuo Hara, Nobumasa Mizuno, Susumu Hijioka, Nozomi Okuno, Tetsuya Abe, Norihisa Uemura, Jiro Kawakami, Shintarou Kurahashi, Yasuhiro Shimizu, Yasushi Yatabe, Yasumasa Niwa
Background and study aims  We report a case of amelanotic malignant melanoma of the esophagus (AMME), an exceedingly rare disease. A 77-year-old Japanese woman presented to our hospital with features suggestive of a middle esophageal submucosal tumor, which was diagnosed pathologically as AMME. The patient underwent thoracoscopic resection of the esophagus and laparoscopic gastric tube reconstruction. Three years after surgery, computed tomography showed no recurrence. Generally, the prognosis of malignant melanoma of the esophagus is very poor...
November 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29241297/selecting-a-suitable-surgical-treatment-for-hepatic-angiomyolipoma-a-retrospective-analysis-of-92-cases
#20
Xianwei Yang, Chuanfen Lei, Yiwen Qiu, Shu Shen, Changli Lu, Lunan Yan, Wentao Wang
BACKGROUND: Hepatic angiomyolipoma (HAML) is a rare and difficult-to-diagnose liver tumour. The aim of this study was to summarize experiences in the management of HAML and to recommend a practical treatment strategy. METHODS: We retrospectively studied 92 patients who were diagnosed with HAML and analysed the clinical presentation, histopathological features and treatment of the tumours encountered at our institute from May 2009 to June 2016. RESULTS: The patients included 67 females and 25 males who underwent at least one radiographic examination...
December 14, 2017: ANZ Journal of Surgery
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