Results 31 to 40 of about 38,950 (296)
Ancient Schwannoma of the Cauda Equina: our experience and review of the literature [PDF]
Ancient schwannomas (AS) are exceedingly rare variant of common schwannomas (CS). Only two cases involving the cauda equina region have been previously reported in literature.
Caruso, Riccardo +5 more
core +4 more sources
Perivascular epithelioid cell tumor of the retroperitoneum in a young woman resulting in an abdominal chyloma [PDF]
Perivascular epithelioid cell tumor (PEComa) is an extremely rare neoplasm which appears to have predominancy for young, frequently Asian, women. The neoplasm is composed chiefly of HMB-45-positive epithelioid cells with clear to granular cytoplasm and ...
A Dimmler +14 more
core +8 more sources
Complete Resolution of Retroperitoneal Lymphangioma with a Single Trial of OK-432 in an Infant
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
doaj +1 more source
Primary retroperitoneal neurofibrosarcoma [PDF]
Malignant schwannoma or neurofibrosarcoma usually grows from the peripheral nerves and rarely from the retroperitoneum. When found in the retroperitoneum, it usually has a worse prognosis.
deOliveira, Michelle Lucinda +1 more
core +1 more source
Schwannoma Localized Retroperitoneally in a 14-Year-Old Boy
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
doaj +1 more source
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
doaj +1 more source
Uterine adenocarcinoma with abdominal metastases in an ovariohysterectomised female cat [PDF]
An adenocarcinoma of the uterine stump with abdominal metastases is described in a 12-year-old incompletely ovariohysterectomised female Domestic Short Haired (DSH) cat.
Belter LF +4 more
core +1 more source
RETROPERITONEAL SCHWANNOMA (CLINICAL CASE)
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
doaj +1 more source
Retroperitoneal liposarcoma : current insights in diagnosis and treatment [PDF]
Retroperitoneal liposarcoma (RLS) are rare, biologically heterogeneous tumors that present considerable challenges due to their size and deep location. As a consequence, the majority of patients with high grade RLS will develop locally recurrent disease ...
Ceelen, Wim +2 more
core +3 more sources
Giant fibroma of the retroperitoneal space, complicated by inferior vena cava compression syndromе
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
doaj +1 more source

