Endometrial Stromal Nodule: A Rarity and a Pathological Challenge by Camilla Skovvang Borg, Peter Humaidan, Hanne Noer, Huda Galib Majeed

“…Tumor margins are required for diagnosis and essential to differentiate it from an invasive stromal sarcoma whose prognosis is very different. We report a rare case of a 38-year-old woman, with presurgical diagnosis of a uterine tumor/polyp. …”
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Undifferentiated Spindle-Cell Carcinoma of the Gallbladder: A Report of a Case, an Immunohistochemistry Profile, and a Review of the Literature by Kabir Bolarinwa Badmos, Laila Salah Seada, Fawaz Fahad Al Rashid, Hanan Abdulhafez Oreiby

“…We reported a case of SpCC, stage IV disease that was initially diagnosed as undifferentiated pleomorphic sarcoma, but deeper sections revealed few clusters of epithelioid clear cells. …”
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HHV-8-Associated Lymphoproliferative Disorders and Pathogenesis in an HIV-Positive Patient by Carlo Guerrero, Tania Jain, Katalin Kelemen

“…Human herpesvirus 8 (HHV-8), also known as Kaposi’s sarcoma-associated herpesvirus, is a DNA oncovirus known for its role in the development of Kaposi’s sarcoma (KS) and several lymphoproliferative disorders (LPDs). …”
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Pulmonary Hypertension due to a Pulmonary Artery Leiomyosarcoma: A Case Report by Seyyed Hassan Adeli, Bardia Nemati, Mahboubeh Jandaghi, Mohammad Mahdi Riahi, Fatemeh Hosseinzadeh, Fatemeh Salarvand

“…Primary pulmonary artery sarcomas are very rare and their histologic type, called leiomyosarcoma, is even rarer. …”
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Intravascular Leiomyomatosis as a Rare Cause of Nonthrombotic Pulmonary Embolism by Julie Van Maercke, Anne-Sophie Van Rompuy, Willy Poppe, Tom Verbelen, Marion Delcroix, Catharina Belge

“…As she was not responding to adequate anticoagulant therapy, intima sarcoma of the pulmonary artery was suspected, and a pulmonary endarterectomy (PEA) was performed. …”
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HIV Infection and the Esophagus by Linda Rabeneck

“…Esophageal ulcers can occur as part of an acute (primary) HIV infection syndrome. ln addition. the esophagus can be involved with the neoplasms associated with acquired immune deficiency syndrome (AIDS) – both Kaposi's sarcoma and non-Hodgkin's lymphoma. Opportunistic infections may also involve the esophagus, most commonly candida and cytomegalovirus infection. …”
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Extraskeletal Myxoid Chondrosarcoma with Small Bowel Metastasis Causing Bowel Obstruction by Ernesto Bustinza-Linares, Francisco Socola, Vinicius Ernani, Shelly A. Miller, Jonathan C. Trent

“…Extraskeletal myxoid chondrosarcoma (EMC) is a rare soft-tissue sarcoma with unique features that distinguishes, it from other sarcomas. …”
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Myeloid Leukosis (J-virus) - An International Broiler Industry Concern by Gary D. Butcher, Richard D. Miles

“… Myeloid leukosis (ML) or myelocytomatosis/myeloblastosis is caused by a retrovirus in the Avian Leukosis/Sarcoma Group of Retroviruses (ALV). This ALV subgroup J virus (ALV-J), which is identified as the etiologic agent for ML, has caused substantial losses in heavy breeders in many areas of the world. …”
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Askin's Tumor: A Dual Case Study by Bikash Shrestha, Bhupendra Nath Kapur, Kavita Karmacharya, Sunita Kakkar, Ranjit Ghuliani

“…It is a subset of Ewing sarcoma characterized histologically by the presence of small round blue cells. …”
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Myeloid Leukosis (J-virus) - An International Broiler Industry Concern by Gary D. Butcher, Richard D. Miles

“… Myeloid leukosis (ML) or myelocytomatosis/myeloblastosis is caused by a retrovirus in the Avian Leukosis/Sarcoma Group of Retroviruses (ALV). This ALV subgroup J virus (ALV-J), which is identified as the etiologic agent for ML, has caused substantial losses in heavy breeders in many areas of the world. …”
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Massive Facial Presentation of Dermatofibrosarcoma Protuberans by Sebastiaan Hermans, Karlijn Clarysse, David Emmanuel Las, Johan de Mey, Maurice Yves Mommaerts, Yannick De Brucker

“…Dermatofibrosarcoma protuberans is a low-grade cutaneous sarcoma typically located on the trunk or proximal extremities. …”
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A rare case of pulmonary endobronchial spindle cell carcinoma with liver metastasis along with concurrent cutaneous neurofibroma by Pratap Upadhya, C. Sivaselvi, Christie George Joseph, Bheemanathi Hanuman Srinivas

“…Here we report a rare endobronchial sarcoma with liver metastasis and concurrent skin neurofibroma.…”
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Laryngeal Inflammatory Pseudotumour Secondary to Mycobacterium kansasii by Saif Al-Zahid, Tanwen Wright, Philip Reece

“…Inflammatory pseudotumours (IPT) are rare benign tumours characterised by spindle-shaped histiocyte proliferation often mimicking a soft tissue sarcoma. They can occur in different parts of the body and various aetiological factors have been proposed. …”
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Multicentric Castleman’s Disease, Associated with Idiopathic Thrombocytopenic Purpura by Ruchi Sood, Harris C. Taylor, Hamed Daw

“…It occurs in unicentric (UCD) and multicentric (MCD) forms and is associated with human immunodeficiency virus (HIV), human herpes virus 8 (HHV-8), and Kaposi's sarcoma. We present the third known association between MCD and previous immune thrombocytopenia in the absence of HIV and HHV-8 infection and review its association with other autoimmune disorders and attendant implications for pathogenesis. …”
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Primary Renal Embryonal Rhabdomyosarcoma in Adults: A Case Report and Review of the Literature by Rafik Nabil Fanous, Erik K. Mayer, Justin Vale, Josephine Lloyd, Marjorie M. Walker

“…Adult renal rhabdomyosarcoma is a rare subtype of renal sarcoma. We present a case of a renal mass treated with radical nephrectomy that subsequently was shown to be renal rhabdomyosarcoma. …”
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Management of Bone Defects and Complications After Bone Tumor Resection Using Ilizarov Method by Kai Zheng, Xiu‐Chun Yu, Jinfang Cai, Ming Xu, Haocheng Cui, Qian Chen, Jing‐Yu Zhang

“…Nine patients were diagnosed with osteosarcoma, while one presented with Ewing's sarcoma and another with a giant cell tumor of bone. …”
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Fibroblastic reticular cell tumor of eyelid: Rare case report and review of literature by Pragnya P. Mishra, K Madan, Siddhartha Biswas, Anuradha Calicut Kini Rao

“…Histomorphologically, they resemble follicular dendritic cell sarcoma (FDCS); however, they differ immunophenotypically. …”
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Dedifferentiated Low-Grade Central Osteosarcoma of the Mandible by Kenji Yamagata, Naomi Ishibashi-Kanno, Ryota Matsuoka, Fumihiko Uchida, Satoshi Fukuzawa, Hiroki Bukawa

“…At the second recurrence, the pathological diagnosis after biopsy was of sarcoma with MDM2(+) and CDK4(+) immunohistochemical staining results. …”
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Prostatic Stromal Hyperplasia with Atypia by Ryan C. Hutchinson, Kevin J. Wu, John C. Cheville, David D. Thiel

“…PSHA has a bizarre histologic appearance and these lesions often raise concern for sarcoma; however, their clinical course is indolent and does not include extraprostatic progression. …”
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Morphologic Heterogeneity in Carcinosarcoma of the Gallbladder: Report of a Rare Cases by Vani Krishnamurthy, Sheela Devi C. Shivalingiah, Sunila Ravishankar, Gubbanna V. Manjunath

“…The mesenchymal component varies from homogenous sarcoma to more heterotopic elements like malignant bone, cartilage, and other mesenchymal tissues. …”
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