نتایج جستجو برای: head neoplasms

تعداد نتایج: 639262  

2010
Jasim Radhi France Tse Michael Marcaccio

Acinar cell pancreatic carcinoma is a rare solid malignant neoplasm. Recent review of the literature showed occasional cases with papillary or papillocystic growth patterns, ranging from 2 to 5 cm in diameter. We report a large 10 cm pancreatic tumor with papillocystic pathology features involving the pancreatic head. The growth pattern of these tumors could be mistaken for intraductal papillar...

2010
Aravinda Konidena Manasi Kode

Soft tissue sarcomas are malignant extraskeletal tumors of mesenchymal origin and uncommon in children.1,2 Rhabdomyosarcoma is most common and constitutes about 10 to 15% of the malignant neoplasms affecting children. The tumor is located with a high incidence in the head and neck region followed by the extremities and perineal region. We recently encountered one such interesting case of intrao...

2014
Qing Ting Tan Esther Wee Lee Chuwa Sung Hock Chew Ga Sze Hong

Schwannomas or neurilemmomas are benign neoplasms of the Schwann cells in neural sheaths. They may arise in any nerve in the body and occur frequently in the head and neck region or extremities. While breast lumps and schwannomas are very common, mammary schwannomas are exceedingly scarce with ,30 cases reported in the literature. We describe a case of a breast schwannoma in a 37-year-old femal...

2007
Orhan Solak Mehmet ATALAR Orhan SOLAK

Juvenile nasopharyngeal angiofibroma (JNA) constitutes less than 0.5% of all head and neck neoplasms. It is a histopathologically benign, yet locally agressive, vascular tumor that occurs most frequently in males from 5 to 25 years. Advances in imaging and treatment techniques are now facilitated more accurate staging of this disease. In this study, we present a case of JNA, to whom pre-operati...

Carotid body paraganglioma is a neuroendocrine neoplasm of the mandibular region. Due to its prominent stromal alternations, carotid body paraganglioma is a great emulator of other neoplasms in the head and neck region especially in metastatic tumors and its definite diagnosis is a great challenge. To the best of our knowledge, the most frequently reported variant is sclerosing and paragangliom...

Journal: :International journal of clinical and experimental medicine 2015
Evangeli S Lampri Georgios Chondrogiannis Elli Ioachim Anna Varouktsi Antigoni Mitselou Aggeliki Galani Evangelos Briassoulis Panagiotis Kanavaros Vasiliki Galani

Head and neck tumors comprise a wide spectrum of heterogeneous neoplasms for which biomarkers are needed to aid in earlier diagnosis, risk assessment and therapy response. Personalized medicine based on predictive markers linked to drug response, it is hoped, will lead to improvements in outcomes and avoidance of unnecessary treatment in carcinoma of the head and neck. Because of the heterogene...

Journal: :Annals of nuclear medicine 2001
T Inoue N Oriuchi K Koyama A Ichikawa K Tomiyoshi N Sato K Matsubara H Suzuki J Aoki K Endo

AIM A comparative study of the images obtained with a dual-head coincidence gamma camera with thick NaI crystals (19 mm), a dedicated PET camera with BGO crystals and a conventional gamma camera with thin NaI crystals (9.5 mm) was conducted to clarify the clinical feasibility of a dual-head coincidence gamma camera with thick NaI crystals. METHODS FDG images of 27 patients with malignant tumo...

Journal: :Case Reports in Clinical Pathology 2022

Cystic lymphangiomas are extremely rare benign vascular neoplasms generally found in childhood. Thought to arise from obstructed lymphatic channels during development, but may also secondary trauma, inflammation, malignancy, and surgery or radiation exposure. They usually seen the head neck axillary region, rarely abdominal cavity with only 1% occurring retroperitoneum. These typically asymptom...

Journal: :Journal of pediatrics review 2023

Background: The incidence of pancreatic neoplasms in infants and children is 1.8 cases per 1000000. Three children’s most common primary are pancreatoblastoma, solid pseudopapillary neoplasm the pancreas, endocrine neoplasms. Solid pancreas a low-grade malignant tumor. presented with palpable mass (60%), followed by abdominal pain (33.3%). Although duodenal invasion frequently occurs patients c...

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