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Angiosarcoma

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https://www.readbyqxmd.com/read/28815700/pseudoangiosarcomatous-squamous-cell-carcinoma-of-the-skin-a-need-for-a-more-rigorous-nomenclature-for-histopathological-variants-of-squamous-cell-carcinoma
#1
Victoria Alegría-Landa, Francisco Jose Navarro-Triviño, Jose Aneiros-Fernandez, Luis Requena
Over the years, squamous cell carcinomas (SCC) that mimicked vascular lesions have been encompassed within different classifications and the underlying etiopathogenic mechanisms have been interpreted in different ways by different authors. Here, we present a case of SCC with pseudovascular areas in the right leg of a 96-year-old woman with chronic venous insufficiency. Histopathological examination closely resembled an angiosarcoma, but the immunohistochemical negativity for endothelial markers and the strong positivity for the pancytokeratin marker AE1/AE3 revealed the epithelial nature of the neoplasm...
August 16, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28810922/pleural-epithelioid-angiosarcoma-with-lymphatic-differentiation-arisen-after-radiometabolic-therapy-for-thyroid-carcinoma-immunohistochemical-findings-and-review-of-the-literature
#2
REVIEW
Daniela Cabibi, Giulia Pipitone, Rossana Porcasi, Sabrina Ingrao, Ignazio Benza, Calogero Porrello, Massimo Cajozzo, Antonino Giulio Giannone
BACKGROUND: Pleural angiosarcoma is a rare tumor that causes diffuse pleural thickening and effusion, mimicking mesothelioma. Immunohistochemistry is needed to highlight endothelial differentiation. We describe the first case of pleural angiosarcoma with lymphatic differentiation following radiometabolic therapy for thyroid carcinoma. CASE PRESENTATION: A 50-year-old man showed diffuse pleural thickening and effusion. Nine years earlier, he underwent thyroidectomy and radiometabolic therapy for thyroid carcinoma with lymph node metastases...
August 15, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28806241/fdg-pet-ct-in-primary-splenic-angiosarcoma-with-diffuse-involvement-of-the-spleen
#3
Qian Zhao, Aisheng Dong, Yang Wang, Tianlin He, Changjing Zuo
Primary splenic angiosarcoma is rare. A 44-year-old man presented with abdominal distension and malaise for 7 months. Laboratory tests showed anemia. Abdominal ultrasound showed enlargement of the spleen with multiple hypoechoic nodules. These nodules showed progressive enhancement on dynamic enhanced CT. Lymphoma was suspected. FDG PET/CT showed increased nonuniform FDG uptake with SUVmax of 11.6 of the entire spleen. Laparoscopic splenectomy was performed. The pathologic findings were consisted with angiosarcoma with replacement of the spleen...
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28806239/18f-fdg-pet-ct-of-secondary-epithelioid-angiosarcoma-of-the-proximal-femur-in-a-patient-with-polyostotic-fibrous-dysplasia
#4
Michiyuki Hakozaki, Hitoshi Yamada, Osamu Hasegawa, Kazuo Watanabe, Shinichi Konno
Fibrous dysplasia rarely transforms into a secondary malignancy. We present the PET/CT findings at pretreatment and posttreatment in an exceedingly rare case of epithelioid angiosarcoma of the bone secondary to polyostotic fibrous dysplasia.
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28803613/first-sonographic-description-of-idiopathic-cutaneous-angiosarcoma-of-the-head-and-neck
#5
P Vilas Boas, A Ruedas Martínez, O Baniandrés Rodriguez, C Ciudad Blanco
No abstract text is available yet for this article.
August 10, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28803168/metastatic-cardiac-angiosarcoma-to-the-lung-spine-and-brain-a-case-report-and-review-of-the-literature
#6
Chih-Ta Lin, Katrina Ducis, Suzanne Tucker, Bruce Tranmer
BACKGROUND: Metastatic angiosarcoma to the brain is a rare entity without an established management protocol. CASE DESCRIPTION: The authors describe a case of primary cardiac angiosarcoma with a rare brain metastasis in an adult. This patient underwent successful resection of his brain metastasis and was initiated on only chemotherapy for his systemic disease. The patient did not develop local recurrence. A review of primary and metastatic CNS angiosarcoma, its pathologic features, clinical disease course, treatment strategies and genomics is also described...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28802504/cutaneous-malignant-vascular-neoplasms
#7
REVIEW
Wonwoo Shon, Steven D Billings
Accurate diagnosis of cutaneous malignant vascular tumors, including angiosarcoma and epithelioid hemangioendothelioma, is critical for determination of appropriate clinical management and prognosis. Although there have been significant advances in understanding genetic aspects of cutaneous vascular biology, differential diagnosis of malignant vascular tumor involving skin and superficial soft tissue is a frequent source of difficulty. This brief overview highlights the clinicopathologic features of primary and secondary cutaneous angiosarcoma and epithelioid hemangioendothelioma and also provides a short summary of newer molecular data...
September 2017: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/28796396/development-of-ret-mutant-cutaneous-angiosarcoma-during-braf-inhibitor-therapy
#8
Julia Dai, Christian A Kunder, Emily Y Chu, Edward Chan, Christine L Egan, Roberto A Novoa
Treatment with BRAF inhibitors may lead to paradoxical mitogen-activated protein kinase (MAPK) pathway activation and accelerated tumorigenesis in cells with preexisting oncogenic hits. This phenomenon manifests clinically in the development of squamous cell carcinomas (SCCs) and keratoacanthomas (KAs) in patients treated with BRAF inhibitors. Cases of extracutaneous malignancies associated with BRAF inhibitors have also been reported. We present a case of a patient who developed a cutaneous angiosarcoma six months after initiation of vemurafenib therapy...
August 10, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28796347/clinicopathological-analysis-of-atrx-daxx-and-notch-receptor-expression-in-angiosarcomas
#9
Gauri Panse, John S A Chrisinger, Cheuk H Leung, Davis R Ingram, Samia Khan, Khalida Wani, Heather Lin, Alexander J Lazar, Wei-Lien Wang
AIMS: Multiple genetic alterations including alternative lengthening of telomeres (ALT) and NOTCH mutations have been described in angiosarcoma. Loss of ATRX (α-thalessemia/mental retardation syndrome X-linked) and DAXX (death domain-associated 6) expression is frequently associated with the ALT phenotype. Additionally, inhibition of NOTCH signaling induces malignant vascular tumors in mice, indicating a tumor suppressive role of the NOTCH pathway in the pathogenesis of angiosarcoma...
August 10, 2017: Histopathology
https://www.readbyqxmd.com/read/28795130/epithelioid-angiosarcoma-of-the-vulva-a-case-report
#10
S Yost, J Bradish, L Grossheim, A Hoekstra
•Vulvar angiosarcoma in a patient with pelvic radiation and chronic lymphedema•Epithelioid histologic staining positive for vimentin, ERG, CD31•Gross appearance of violaceous hyperpigmentation of the mons pubis.
August 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28794852/radiation-induced-angiosarcoma-of-the-breast-outcomes-from-a-retrospective-case-series
#11
R B Cohen-Hallaleh, H G Smith, R C Smith, G F Stamp, O Al-Muderis, K Thway, A Miah, K Khabra, I Judson, R Jones, C Benson, A J Hayes
BACKGROUND: Radiation induced angiosarcoma (RIAS) of the breast is a rare and aggressive complication of radiotherapy. Due to the rarity of this disease, much of the evidence for its management is based on case reports or small retrospective series. We sought to describe the management and outcomes of RIAS in a large single-institution series. METHODS: All patients diagnosed with RIAS between January 2000 and January 2014 were identified from an institutional database...
2017: Clinical Sarcoma Research
https://www.readbyqxmd.com/read/28777021/masson-s-tumor-of-the-pineal-region-case-report
#12
Lefko T Charalambous, Anirudh Penumaka, Jordan M Komisarow, Amanda C Hemmerich, Thomas J Cummings, Patrick J Codd, Allan H Friedman
Intracranial intravascular papillary endothelial hyperplasia (IPEH), also referred to as Masson's tumor, is a condition that rarely occurs in the nervous system. IPEH most frequently occurs extracranially in the skin of the face, skull, neck, and trunk and can easily be mistaken clinically, radiologically, and histologically for angiosarcoma, organizing hematoma, or other vascular malformations. IPEH accounts for roughly 2% of all vascular tumors and is extremely rare intracranially, with only 23 reported cases compared with more than 300 cases of IPEH occurring in the skin and subcutaneous tissue...
August 4, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28767886/angiosarcoma-arising-from-the-main-pulmonary-artery-mimicking-pulmonary-thromboembolism
#13
Joana Sofia Silva Moura Ferreira, Nádia Moreira, Maria João Ferreira, Manuel Antunes
No abstract text is available yet for this article.
July 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28766950/imaging-features-of-rare-mesenychmal-liver-tumors-beyond-hemangiomas
#14
Rajesh Thampy, Khaled M Elsayes, Christine O Menias, Perry J Pickhardt, Hyunseon C Kang, Sandeep Deshmukh, Kareem Ahmed, Brinda Rao Korivi
Tumors arising from mesenchymal tissue components such as vascular, fibrous and adipose tissue can manifest in the liver. Although histopathology is often necessary for definitive diagnosis, many of these lesions exhibit characteristic imaging features. The radiologist plays an important role in suggesting the diagnosis, which can direct appropriate immunohistochemical staining at histology. The aim of this review is to present clinical and imaging findings of a spectrum of mesenchymal liver tumors such as hemangioma, epithelioid hemangioendothelioma, lipoma, PEComa, angiosarcoma, inflammatory myofibroblastic tumor, solitary fibrous tumor, leiomyoma, leiomyosarcoma, Kaposi sarcoma, mesenchymal hamartoma, undifferentiated embryonal sarcoma, rhabdomyosarcoma and hepatic metastases...
August 2, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28755441/plan-quality-and-delivery-time-comparisons-between-volumetric-modulated-arc-therapy-and-intensity-modulated-radiation-therapy-for-scalp-angiosarcoma-a-planning-study
#15
Yudai Kai, Ryo Toya, Tetsuo Saito, Akiko Kuraoka, Yoshinobu Shimohigashi, Yuji Nakaguchi, Masato Maruyama, Ryuji Murakami, Yasuyuki Yamashita, Natsuo Oya
INTRODUCTION: Due to its spherical surface, scalp angiosarcoma requires careful consideration for radiation therapy planning and dose delivery. Herein, we investigated whether volumetric modulated arc therapy (VMAT) is superior to intensity modulated radiation therapy (IMRT) in terms of the plan quality and delivery time. METHODS: Three different coplanar treatment plans were created for four patients, comprising a two-arc VMAT plan as well as 5-field and 9-field IMRT plans with 6 MV beams...
July 29, 2017: Journal of Medical Radiation Sciences
https://www.readbyqxmd.com/read/28751990/dermal-substitutes-use-in-reconstructive-surgery-for-skin-tumors-a-single-center-experience
#16
Mariane Campagnari, Andrea S Jafelicci, Helio A Carneiro, Eduard R Brechtbühl, Eduardo Bertolli, João P Duprat Neto
Reconstructive surgery following skin tumor resection can be challenging. Treatment options after removing the tumor are skin grafting, local pedicled and axial flaps, or microsurgery for complex and extensive wounds correction. Recently, the use of dermal substitutes has been extended to reconstructive surgery in cutaneous oncology. Objectives. To report both a single-center experience using dermal substitutes in reconstructive surgery for skin malignancies and reconstructive surgery's outcomes. Methods and Results...
2017: International Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28741174/angiosarcoma-around-total-hip-arthroplasty-case-series-and-review-of-the-literature
#17
REVIEW
S Terrando, A Sambri, G Bianchi, L Cevolani, L Foschi, E Gozzi, G Pignatti, D M Donati
BACKGROUND: Angiosarcoma (AS) is a rare and malignant tumor which mainly arises in the skin and superficial soft tissue and less frequently in deep soft tissue and bones. Some cases of AS are described in association with vascular and orthopedic devices. Nonetheless, only a few cases of AS around THA are reported in the literature. MATERIALS AND METHODS: We describe five cases of AS arising around total hip arthroplasty who received surgery at our institution (Istituto Ortopedico Rizzoli, Bologna, Italy), and we report the cases described in literature...
July 24, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28739548/the-role-of-mir-210-e2f3-and-ephrin-a3-in-angiosarcoma-cell-proliferation
#18
Satoko Nakashima, Masatoshi Jinnin, Hisashi Kanemaru, Ikko Kajihara, Toshikatsu Igata, Sayo Okamoto, Yukino Tazaki, Miho Harada, Shinichi Masuguchi, Satoshi Fukushima, Mamiko Masuzawa, Yasuyuki Amoh, Mikio Masuzawa, Hironobu Ihn
BACKGROUND: Although angiosarcoma exhibits aggressive progression and is associated with unfavourable prognosis, its pathogenesis is poorly understood. OBJECTIVES: In the present study, we investigated the possibility that microRNAs play a role in the pathogenesis of angiosarcoma. MATERIALS & METHODS: microRNA expression was evaluated by array analysis and real-time PCR, and protein expression was determined by immunohistochemistry and immunoblotting...
July 25, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28731049/composite-hemangioendothelioma-with-neuroendocrine-marker-expression-an-aggressive-variant
#19
Kyle D Perry, Alyaa Al-Lbraheemi, Brian P Rubin, Jin Jen, Hongzheng Ren, Jin Sung Jang, Asha Nair, Jaime Davila, Stefan Pambuccian, Andrew Horvai, William Sukov, Henry D Tazelaar, Andrew L Folpe
Aberrant expression of neuroendocrine markers is extremely rare in endothelial neoplasms, with only a single report describing three cases. Although originally classified as conventional angiosarcoma, further assessment of these tumors revealed a strikingly composite morphology composed of retiform and epithelioid elements reminiscent of composite hemangioendothelioma, a rare subtype of hemangioendothelioma. To further investigate these findings, available materials from 11 morphologically distinctive endothelial tumors showing neuroendocrine marker expression were retrieved from our archives...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28727378/anastomosing-hemangioma-simulating-renal-cell-carcinoma
#20
Mariana Athaniel Silva, Eduardo Kaiser Ururahy Nunes Fonseca, Fernando Ide Yamauchi, Ronaldo Hueb Baroni
The anastomosing hemangioma is a recent described rare variant, which histologically simulates an angiosarcoma and occurs primarily in the genitourinary tract. We present a case of renal anastomosing hemangioma from a radiologic perspective, describing its imaging features and reviewing its presentation and management.
June 14, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
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