Results 11 to 20 of about 32,812 (183)
Indian Journal of Pathology and Microbiology, 2019 Ectopic adrenocortical tissue may be present in many anatomical localizations. Hyperplasia, adenoma or carcinoma can occasionally develop from the ectopic adrenal tissue. Therefore, it should be surgically excised when it is detected.
Ismail Saygin +3 more
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Schwannoma Localized Retroperitoneally in a 14-Year-Old Boy
Case Reports in Pediatrics, 2016 Schwannomas usually occur in adults being between the second and fifth decades, and such neoplasms are extremely rare in a pediatric population. In addition, they are not normally found in the retroperitoneal region.
Hasan Cayirli +5 more
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Complete Resolution of Retroperitoneal Lymphangioma with a Single Trial of OK-432 in an Infant
Pediatrics and Neonatology, 2016 Retroperitoneal lymphangioma is extremely rare. Although these neoplasms are benign, they can grow progressively with subsequent compression and infiltration of the adjacent structures.
Claudio Olivieri +4 more
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BMC Cancer, 2018 Background Gastric gastrointestinal stromal tumor (GIST), intro-abdominal and retroperitoneal neoplasms are distinct tumors arising from different cell layers; therefore, coexistence of such tumors is relatively rare.
Yong Zhou +4 more
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RETROPERITONEAL SCHWANNOMA (CLINICAL CASE)
Клиническая практика, 2016 Schwannoma - a tumor growing from Schwann cells of the peripheral nerve sheath. Retroperitoneal schwannoma is a rare tumor accounting for approximately 1 to 5% of all retroperitoneal neoplasms. Retroperitoneal localization occurs for a total in 0.75-2.6%
Yu A Stepanova +4 more
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Giant fibroma of the retroperitoneal space, complicated by inferior vena cava compression syndromе
Український радіологічний та онкологічний журнал, 2020 Background. Inorganic retroperitoneal tumors (IRT) are neoplasms that have no organ affiliation and develop from soft tissues located in the retroperitoneal space (adipose, connective, vascular, nervous), as well as from embryonic elements.
О. М. Білий, І. В. Лепеха
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Pediatric Blood &Cancer, EarlyView.ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen +23 more
wiley +1 more source
Fetus in fetu with skeletal dysplasia and hyperparathyroidism
Journal of Pediatric Surgery Case Reports, 2019 Fetus-in-fetu (FIF) is a rare condition in which malformed parasitic twin grows inside the body of its twin and usually presents as abdominal mass. We are reporting a case of neonate who presented with abdominal mass; FIF was suggestive after further ...
Saad H. Aldosari +4 more
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Primary retroperitoneal mucinous cystadenocarcinoma with transition from the mesothelium
IJU Case Reports, 2020 Introduction Mucinous cystic neoplasms are uncommon among the tumors that develop in the retroperitoneum. We report a case of primary retroperitoneal mucinous cystadenocarcinoma with pathological considerations.
Ikko Tomisaki +5 more
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Retroperitoneal perivascular epithelioid cell tumor in a 47-years old woman
Medicina Clínica Práctica, 2023 Perivascular epithelioid cell tumors (PEComa) are rare neoplasms defined as mesenchymal tumors with distinctive histology and immunohistochemistry. They tend to occur in middle-aged patients and mostly in women. The tumours cells show an association with
Minguez Ojeda César +6 more
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