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Histiocytic sarcoma

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https://www.readbyqxmd.com/read/29690671/-clinicopathologic-analysis-of-7-cases-of-histiocytic-sarcoma
#1
S Y Wang, L Li, S Y Wang, H Z Zhang, C X Huang
No abstract text is available yet for this article.
April 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29679510/molecular-characteristics-of-multifocal-brain-histiocytic-sarcoma
#2
Florent Marguet, Nicolas Piton, Homa Adle-Biassette, Florence Renaud, Elodie Bohers, Thomas Boyer, Aline Zarea, Stéphane Derrey, Jean Christophe Sabourin, Annie Laquerrière
Histiocytic sarcoma (HS) is a very uncommon malignant proliferation accounting for less than 1% of all neoplasms of hematopoietic and lymphoid tissues. According to the 2008 WHO classification of haematological and lymphoid tumours, diagnosis of HS requires histological and immunohistochemical evidence of histiocytic differentiation [1]. The 2016 Central nervous system (CNS) WHO classification parallels the categories of the corresponding WHO classification of hematopoietic and lymphoid tissues. By definition, diagnosis of HS relies on the expression of at least two of the histiocytic markers, e...
April 21, 2018: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/29676378/extranodal-histiocytic-sarcoma-in-a-child-with-acute-lymphoblastic-leukemia-cytomorphological-features-of-a-rare-entity-with-brief-review-of-literature
#3
Krushna Chandra Pani, Mahima Yadav, Shaleen Kumar, Vinita Agrawal
Histiocytic sarcoma (HS) is a rare malignant neoplasm showing morphologic and immunophenotypic evidence of histiocytic differentiation. We describe a rare case of synchronous HS in a patient of B-cell acute lymphoblastic leukemia (ALL). A 16-year-old boy diagnosed as ALL also presented with a swelling over the right Achilles tendon. The cytological features of the swelling suggested a histiocytic lesion. Histological and immunohistochemical examination clinched the diagnosis of HS. The available 5-year follow-up showed no recurrence...
April 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29660568/interdigitating-dendritic-cell-sarcoma-clinicopathologic-study-of-8-cases-with-review-of-the-literature
#4
REVIEW
Tian Xue, Xiang-Nan Jiang, Wei-Ge Wang, Xiao-Yan Zhou, Xiao-Qiu Li
To investigate the clinicopathologic features and differential diagnoses of interdigitating dendritic cell sarcoma (IDCS), the clinical, morphological and immunohistochemical features of eight cases of IDCS were collected and analyzed. Three patients were males and five were females, the mean age and the median age were 56.5 years and 57 years respectively. Clinically, the majority of cases involved lymph nodes. Microscopically, neoplastic cells were spindle or ovoid, forming fascicles or whorls. Every case had active mitosis figures...
March 30, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29571518/matrix-metalloproteinases-expression-in-spontaneous-canine-histiocytic-sarcomas-and-its-xenograft-model
#5
Adnan Fayyad, Stefanie Lapp, Engy Risha, Vanessa M Pfankuche, Karl Rohn, Yvonne Barthel, Dirk Schaudien, Wolfgang Baumgärtner, Christina Puff
Canine histiocytic sarcoma (HS) represents a malignant neoplastic disorder often with a rapid and progressive clinical course. A better understanding of the interaction between tumor cells and the local microenvironment may provide new insights into mechanisms of tumor growth and metastasis. The influence of matrix metalloproteinases (MMPs) and their inhibitors (TIMPs) on tumor angiogenesis, invasion and metastasis has been detailed in previous studies. In addition, inflammatory cells infiltrating neoplasms especially tumor associated macrophages (TAM) may contribute significantly to tumor progression...
April 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29515976/fas-ligand-and-caspase-3-positivity-in-three-cases-of-histiocytic-sarcoma-a-different-etiopathogenic-pathway
#6
Cristiano Claudino Oliveira, Rafael Bispo Paschoalini, Maria Aparecida Custódio Domingues
Histiocytic sarcoma (HS) is a rare malignant neoplasia of hematopoietic origin and unknown etiology. We studied three patients with histiocytic sarcoma reviewing the morphological and immunohistochemical aspects. We evaluated in particular, if apoptosis may be unbalanced in this disease. All cases have morphological and immunohistochemical features consistent with the diagnosis of histiocytic sarcoma. The markers CD163, CD68, vimentin, lysozyme, and S-100 were positive in all cases. Similarly, the three samples were positive for Fas-ligand and Caspase-3...
January 2018: Autopsy & Case Reports
https://www.readbyqxmd.com/read/29490634/a-novel-canine-histiocytic-sarcoma-cell-line-initial-characterization-and-utilization-for-drug-screening-studies
#7
Marilia Takada, Maciej Parys, Emmalena Gregory-Bryson, Paulo Vilar Saavedra, Matti Kiupel, Vilma Yuzbasiyan-Gurkan
BACKGROUND: Histiocytic sarcoma is a rare disorder in humans, however it is seen with appreciable frequency in certain breeds of dogs, such as Bernese mountain dog. The purpose of this study was to fully characterize a novel canine histiocytic sarcoma cell line, and utilize it as a tool to screen for potential therapeutic drugs. METHODS: The histiocytic sarcoma cell line was characterized by expression of cellular markers as determined by immunohistochemistry and flow cytometry techniques...
March 1, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29483989/a-yellow-submarine-in-dermoscopy
#8
Francesca Satolli, Miriam Rovesti, Alfredo Zucchi, Marco Gandolfi, Claudio Feliciani, Georgi Tchernev, Uwe Wollina, Serena Gianfaldoni, Torello Lotti
BACKGROUND: Histiocytic sarcoma (HS) is an extremely rare, non-Langerhans cell tumor. HS affects especially adults, its etiology is unknown yet. Skin could be interested by papules or nodules, single or multiple. CASE REPORT: A Caucasian man in his late 40s came to our clinic for a naevi evaluation. During the visit, a rose papulonodular lesion was observed in the lumbar region. This lesion was completely asymptomatic, and it had been there for an indefinite period...
January 25, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29479033/carcinogenicity-of-quinoline-by-drinking-water-administration-in-rats-and-mice
#9
Michiharu Matsumoto, Hirokazu Kano, Masaaki Suzuki, Tadashi Noguchi, Yumi Umeda, Shoji Fukushima
The carcinogenicity of quinoline was examined by administrating quinoline in the drinking water to groups of 50 F344/DuCrj rats and 50 Crj: BDF1 mice of each sex. In rats, the doses of quinoline were 0, 200, 400, and 800 ppm for males and 0, 150, 300, and 600 ppm for females. In male rats, administration of quinoline was terminated at week 96 due to high mortality caused by tumors. There were significant increases of hepatocellular adenomas, hepatocellular carcinomas, hepatocellular adenomas and/or carcinomas (combined), and liver hemangiomas, hemangiosarcomas, hemangiomas and/or hemangiosarcomas (combined) in both male and female rats, and nasal esthesioneuroepitheliomas and sarcoma NOS (not otherwise specified) in males...
2018: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29444632/immunohistochemical-labeling-of-multiple-myeloma-oncogene-1-interferon-regulatory-factor-4-mum1-irf-4-in-canine-cutaneous-histiocytoma
#10
Justin M Stilwell, Daniel R Rissi
Multiple myeloma oncogene 1/interferon regulatory factor 4 (MUM1/IRF-4) immunohistochemistry (IHC) is mainly used for diagnostic confirmation of plasma cell tumors (PCTs) in dogs and cats. This article describes MUM1/IRF-4 IHC expression in 20 cases of canine cutaneous histiocytoma (CH) and compares it with 10 cutaneous or mucocutaneous PCTs and 5 cutaneous histiocytic sarcomas (HSs) submitted to the same IHC protocol. All histiocytomas had strong nuclear and variable cytoplasmic immunolabeling for MUM1/IRF-4, whereas all PCTs had strong nuclear and moderate cytoplasmic immunolabeling for MUM1/IRF-4...
January 1, 2018: Veterinary Pathology
https://www.readbyqxmd.com/read/29414400/primary-cutaneous-histiocytic-sarcoma-a-report-of-five-cases-with-primary-cutaneous-involvement-and-review-of-the-literature
#11
Cynthia M Magro, Najiyah Kazi, Aimee E Sisinger
INTRODUCTION: Histiocytic sarcoma is an extremely rare hematologic malignancy of histiocytic origin. Five cases of primary cutaneous histiocytic sarcoma are presented. MATERIALS AND METHODS: Cases of primary cutaneous histiocytic sarcoma were identified using a natural language search from the dermatopathology data base of Cornell University. RESULTS: There was a male predominance (4 males and 1 female) ranging in age from 33years to 92years (mean age of 73years); all presented with a solitary nodule which involved the head and neck area in four and thigh in one...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29406562/synovial-cell-sarcoma-in-a-dog-a-misnomer-cytologic-and-histologic-findings-and-review-of-the-literature
#12
REVIEW
Paola Monti, Darren Barnes, Anna M Adrian, Roberta Rasotto
A 4-year-old Irish Setter was presented with a history of progressive left pelvic limb lameness. Orthopedic examination revealed pain on manipulation of the left stifle. Radiographs showed an osteolytic lesion in the subchondral bone of the medial tibial condyle. Fine-needle aspirates were taken, and cytology revealed numerous cohesive clusters of plump, oval to spindloid cells often with perivascular distribution and moderate cellular atypia. A diagnosis of sarcoma was made with synovial cell sarcoma (SCS) and histiocytic sarcoma being the 2 main differentials...
February 6, 2018: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/29398759/tubercular-mycobacterial-spindle-cell-pseudotumour-a-case-report
#13
Deba Prasad Dhibar, Kamal Kant Sahu, Surjit Singh, Amanjit Bal, Abhijit Chougale, Varun Dhir
Pseudotumour is a benign inflammatory lesion. Mycobacterial spindle cell pseudotumour (MSP) is a rare pseudotumour. It is a benign proliferation of spindle-shaped histiocytes containing acid-fast mycobacterium, commonly reported in immunocompromised patients. MSP is usually associated with mycobacterium avium complex (MAC). Here, we present the case of a 38-year-old gentleman with acquired immune deficiency syndrome (AIDS) who presented with low-grade fever for 1-month duration. Clinically, he had generalised lymphadenopathy...
January 2018: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29351196/a-case-report-of-disseminated-canine-histiocytic-sarcoma-in-trinidad-and-tobago
#14
Stacy Rajh, Karelma Frontera Acevedo, Gillian Williams, Indira Pargass, Alissa Bally, Rod Suepaul
Ocular histiocytic sarcomas (as a presenting part of disseminated histiocytic sarcoma) are not commonly diagnosed. A 10-year-old female intact Rottweiler presented to the School of Veterinary Medicine, Trinidad with buphthalmia and pain in the left eye. The cornea of the left eye appeared diffusely opaque with a conjunctival mucopurulent ocular discharge. A thorough ophthalmic assessment identified an intraocular proliferative tumor to which a unilateral enucleation was performed, however the animal died soon after...
January 19, 2018: Veterinary Sciences
https://www.readbyqxmd.com/read/29327713/expression-of-enhancer-of-zeste-homolog-2-ezh2-protein-in-histiocytic-and-dendritic-cell-neoplasms-with-evidence-for-p-erk1-2-related-but-not-myc-or-p-stat3-related-cell-signaling
#15
Xuejun Tian, Jie Xu, Christopher Fletcher, Jason L Hornick, David M Dorfman
EZH2 is an important enzymatic subunit of the epigenetic regulator polycomb repressive complex 2 (PRC2), which controls gene silencing through post-translational modification, and is overexpressed in various carcinomas and hematopoietic neoplasms. We found that the majority of cases of histiocytic and dendritic cell neoplasms, including histiocytic sarcoma, follicular dendritic cell sarcoma, Langerhans cell histiocytosis, and interdigitating dendritic cell sarcoma, show strong EZH2 expression by immunohistochemical staining, in contrast to benign histiocytic lesions and normal cellular counterparts, which did not show EZH2 expression, suggesting that this molecule may function as an oncogenic protein in these neoplasms...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29290317/histiocytic-sarcoma-with-bladder-involvement-case-report-and-literature-review
#16
Mª Jesús Fernández-Aceñero, Pablo Pérez Alonso, Cristina Díaz Del Arco
We report an unusual case of histiocytic sarcoma with bladder involvement. An 80 year-old man with a previous history of diffuse large B-cell malignant lymphoma presented with hematuria and back pain. Serial urine cytologies revealed no urothelial malignant cells, but cystoscopy showed a large intravesical mass. The patient underwent transurethral resection (TUR) of the tumor. The bladder TUR specimen showed a widely infiltrating epithelioid neoplasm, with intense immunohistochemical positivity for CD45 and histiocytic markers (CD68, lysozime and fascin)...
January 2018: Revista Española de Patología
https://www.readbyqxmd.com/read/29275293/morphological-distinction-of-histiocytic-sarcoma-from-other-tumor-types-in-bernese-mountain-dogs-and-flatcoated-retrievers
#17
Suzanne A Erich, Fernando Constantino-Casas, Jane M Dobson, Erik Teske
BACKGROUND/AIM: Histiocytic sarcoma (HS) represents a group of malignant canine tumors to which Bernese Mountain Dogs (BMD) and Flatcoated Retrievers (FCR) are predisposed. The differential diagnosis for HS is broad, encompassing round cell tumors, sarcomas and other histiocytic diseases. The aim of this study was to establish morphological and immunohistochemical criteria for routine use on formalin-fixed, paraffin-embedded samples and cytological smears for the recognition and differentiation of canine HS and its subtypes...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29247539/fluorescein-sodium-guided-resection-of-intracranial-lesions-in-22-dogs
#18
Yukiko Nakano, Kohei Nakata, Sanae Shibata, Yasuhiro Heishima, Hidetaka Nishida, Hiroki Sakai, Hirohito Yano, Hiroaki Kamishina
OBJECTIVE: To evaluate the safety of an intraoperative fluorescein sodium (FS) injection and elucidate the relationships between the MRI findings, pathological diagnoses, and intraoperative staining characteristics of intracranial lesions in 22 dogs. STUDY DESIGN: Prospective case series. ANIMALS: Twenty-two dogs with intracranial lesions. METHODS: FS was intravenously administered to 22 dogs undergoing craniotomy for suspected intracranial tumors to evaluate perioperative and postoperative adverse effects...
February 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29228722/prognostic-factors-for-histiocytic-and-dendritic-cell-neoplasms
#19
Joji Shimono, Hiroaki Miyoshi, Fumiko Arakawa, Kensaku Sato, Takuya Furuta, Reiji Muto, Eriko Yanagida, Yuya Sasaki, Daisuke Kurita, Keisuke Kawamoto, Koji Nagafuji, Koichi Ohshima
Histiocytic and dendritic cell neoplasms are rare and poorly studied. We report the clinical characteristics and prognostic factors in such cases in Japan. We investigated the clinical characteristics and survival in 87 adult patients with histiocytic and dendritic cell neoplasms. Fifty patients had histiocytic sarcoma, 12 had Langerhans cell histiocytosis, 11 had follicular dendritic cell sarcoma, 8 had Langerhans cell sarcoma, 6 had interdigitating cell sarcoma and 1 had indeterminate dendritic cell sarcoma...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29194093/cdkn2a-b-deletion-and-double-hit-mutations-of-the-mapk-pathway-underlie-the-aggressive-behavior-of-langerhans-cell-tumors
#20
Luc Xerri, José Adélaïde, Cornel Popovici, Séverine Garnier, Arnaud Guille, Lenaïg Mescam-Mancini, Camille Laurent, Pierre Brousset, Carole Coze, Gérard Michel, Max Chaffanet, Reda Bouabdallah, Diane Coso, François Bertucci, Daniel Birnbaum
Langerhans cell histiocytosis (LCH) has a mostly favorable outcome, whereas Langerhans cell sarcoma (LCS) is an aggressive tumor. It is still unclear whether any specific molecular alterations could underlie the aggressive behavior of Langerhans cell proliferations. We used targeted next-generation sequencing and array-comparative genomic hybridization to profile 22 LCH samples from different patients together with 3 LCS samples corresponding to different relapses from the same patient. The third LCS relapse was a composite tumor including both B-cell chronic lymphocytic leukemia and LCS components...
February 2018: American Journal of Surgical Pathology
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