A Case of Histiocytic Sarcoma Arising from Mycosis Fungoides by Ethan A. Burns, Cesar Gentille, Saro Kasparian, Sai Ravi Pingali

“…Histiocytic sarcoma (HS) is an uncommon malignant neoplasm arising from mature histiocytes and most commonly characterized by the immunophenotypic expression of CD68, CD163, or lysozyme. …”
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A Rare Case of Primary Anterior Mediastinal Yolk Sac Tumor in an Elderly Adult Male by Sammy G. Nakhla, Srinath Sundararajan

“…Primary mediastinal yolk sac neoplasm is an extremely rare tumor. We present here a very rare case of primary yolk sac tumor of the anterior mediastinum in a 73-year-old male. …”
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Idiopathic Unilateral Adrenal Haemorrhage and Adrenal Mass: A Case Report and Review of the Literature by Christos Christoforides, Athanasios Petrou, Marios Loizou

“…It is important to distinguish a benign lesion like this from a neoplasm, although we were not able to identify it preoperatively and the diagnosis was only made after the excised specimen was examined by a group of experienced histopathologists. …”
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Methylation Markers for Urine-Based Detection of Bladder Cancer: The Next Generation of Urinary Markers for Diagnosis and Surveillance of Bladder Cancer by Thomas Reinert

“…Cancer of the urinary bladder is the fifth most common neoplasm in the industrialized countries. Diagnosis and surveillance are dependent on invasive evaluation with cystoscopy and to some degree cytology as an adjunct analysis. …”
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A Gigantic Anogenital Lesion: Buschke-Lowenstein Tumor by Rikinder Sandhu, Zaw Min, Nitin Bhanot

“…Buschke-Lowenstein tumor is a relatively rare sexually transmitted disease. It is a neoplasm of the anogenital region which has benign appearance on histopathology but is locally destructive. …”
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A Rare Case of Solitary Fibrous Tumor of the Breast in a Healthy 40-Year-Old Woman by Marissa Yaldo, Arif Musa, Michael Aulicino, Brigitte Berryhill

“…Solitary fibrous tumor (SFT) is a rare neoplasm of mesenchymal origin that is primarily found in the lungs but can be found in other locations such as the retroperitoneum, deep soft tissues of the proximal extremities, abdominal cavity, head, and neck. …”
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Thigmotropism of Malignant Melanoma Cells by Pascale Quatresooz, Claudine Piérard-Franchimont, Fanchon Noël, Gérald E. Piérard

“…These MM cell collections are often part of the primary neoplasm, but they may, however, correspond to MM micrometastases and predict further local overt metastasis spread.…”
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Primitive myxoid mesenchymal tumor of infancy, an enigmatic entity: A case report by Malini Goswami

“…Primitive myxoid mesenchymal tumor of infancy (PMMTI) is a rare soft tissue neoplasm of intermediate malignant potential occurring predominantly in infants and younger children. …”
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A Rare Case of Solitary Palatal Myofibroma in a Young Pediatric Patient by Tulika Wakhloo, Gosla Reddy, Ashi Chug, Arvind Kumar

“…Myofibroma (MF) is a benign spindle cell neoplasm rarely found in the oral cavity. It is common in males than females (2:1) and mostly seen to develop before 2 years of age with few cases reported in adults. …”
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Thoracic Endovascular Aortic Repair for a Ruptured Mycotic Aortic Pseudoaneurysm Secondary to Esophageal Carcinoma by Sean-Tee J. M. Lim, Stephen Murphy, Said Atyani, Michael Anthony Moloney

“…Contrast CT thoracic aorta diagnosed a ruptured mycotic aortic pseudoaneurysm of the descending aorta, forming a life threating aorto-esophageal fistula secondary to neoplasm. Due to the high risk of fatal haemorrhage, she underwent successful emergency thoracic endovascular aortic repair (TEVAR). …”
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Recurrent Adenomatous Neuroendocrine Tumor of the Middle Ear: A Diagnostic Challenge by J. Vilain, J.-C. Degols, S. Ledeghen

“…Controversial terminology of the neoplasm arises from the differentiation of this tumor composed of both endocrine and exocrine glands. …”
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Sarcomatoid Variant of Urothelial Carcinoma of the Renal Pelvis with Inferior Vena Cava Tumour Thrombus: A Case Report and Literature Review by Sameera Rashid, Mohammed Akhtar

“…To the best of our knowledge, around 25 cases of this neoplasm have been reported in the literature to date, most of which were of high stage. …”
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Fibrosarcoma of Mandible: A Case Report by Monal B. Yuwanati, J. V. Tupkari

“…Fibrosarcoma is a malignant mesenchymal neoplasm of fibroblasts that rarely affects the oral cavity and can cause local recurrences or metastasis. …”
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Amalgam Tattoo Mimicking Mucosal Melanoma: A Diagnostic Dilemma Revisited by K. Lundin, G. Schmidt, C. Bonde

“…Mucosal melanoma of the oral cavity is a rare but highly aggressive neoplasm. However, the clinicians need to be aware of the other and more frequent etiologies of intraoral pigmentation, such as amalgam tattoos. …”
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Late onset cerebellar ataxia syndrome after non-paraneoplastic Lambert-Eaton myasthenic syndrome: a case study by David P. Randall, Matthew C. Randall

“…Abstract This is an unusual case of voltage gated calcium channel (VGCC) antibodies leading to two distinct and chronologically separated neurologic syndromes without the presence of an underlying neoplasm. Lambert Eaton Myasthenic Syndrome (LEMS) presented five years prior to cerebellar ataxia. …”
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A Morphological and Immunohistochemical Study of the Tumoral and Inflammatory Cells in Pancreatic Ductal Adenocarcinoma by Vlad Herlea, Elena Stoica Mustafa, Andreea Cristina Iorgescu, Nicolae Catalin Pechianu, Dragos Cretoiu, Maria Sajin, Simona Olimpia Dima, Catalin Vasilescu, Cezar Stroescu, Constantin Ungureanu, Traian Dumitrascu, Vladislav Brasoveanu, Minerva Ghinescu, Irinel Popescu

“…This study represents a multidisciplinary approach, and it is a result of teamwork; it presents histopathological methods of examination of this severe illness and describes only a part of the scientific effort to determine the main pathological mechanisms of this neoplasm.…”
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Papillary Urothelial Neoplasia with Low Malignant Potential (PUNLMP) in a 9-year-old Child: A Case Report and Review of Literature by Abbas Al Bazzal, Amarelle Chamoun, Zeinab Karaki, Ibrahim Ballout, Bachar Al Al, Linda Chamma, Hussein Issa, Mohamad Moussa, Hiba Hamdar

“…Pediatric PUNLMP is an exceptionally rare neoplasm in children with a low recurrence rate that is amenable to treatment. …”
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Ovarian Teratoma Masquerading as a CSF Pseudocyst in a Female with a Ventriculoperitoneal Shunt by John M. K. Mislow, Jonathan R. Slotkin, Mark R. Proctor

“…This case report describes the unexpected finding of a cystic ovarian neoplasm in a young female with an abdominal mass and a ventriculoperitoneal shunt, initially diagnosed as a cerebrospinal fluid pseudocyst. …”
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Primary leiomyosarcoma of the scalp: a case report and review of the literature by Shuo Gao, Pule Liu, Jixing Liu, Wenzhen Yang, Shude Yang

“…This case report highlights the significance of early identification and the consequences of delayed diagnosis in scalp leiomyosarcoma.Clinical presentationWe present the case of a 39-year-old woman with a scalp neoplasm. Initially, the diagnosis was missed, leading to a delay in surgical intervention. …”
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Primary Pancreatic Lymphoma Masquerading as Carcinoma by Nasser A. N. Alzerwi

“…Adenocarcinoma is the most common primary pancreatic neoplasm type, followed by secondary pancreatic lymphoma and primary pancreatic lymphoma (PPL). …”
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