A poorly differentiated tumor of the pineal gland most frequently occurring in the first three decades of life consisting of small cells with a scant amount of cytoplasm and often forming pseudorosettes; histologically resembles a medulloblastoma; a type of primitive neuroectodermal tumor. [pineal + G. blastos, germ, + -oma, tumor]

* * *

pin·eo·blas·to·ma (pin″e-o-blas-toґmə) pinealoblastoma.

Medical dictionary. 2011.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • pineoblastoma — noun A tumor of the pineal gland …   Wiktionary

  • pineoblastoma — A fast growing type of brain tumor that occurs in or around the pineal gland, a tiny organ near the center of the brain …   English dictionary of cancer terms

  • List of oncology-related terms — This is a list of terms related to oncology. The original source for this list was the U.S. National Cancer Institute s public domain Dictionary of Cancer Terms . NOTOC 1 * 10 propargyl 10 deazaaminopterin * 12 O tetradecanoylphorbol 13 acetate * …   Wikipedia

  • Homeobox protein NANOG — See NANOG (computing) for the network operators group. Nanog homeobox Identifiers Symbols NANOG; External IDs …   Wikipedia

  • List of cancer types — This is a list of cancer types, ordered alphabetically.A*Acute lymphoblastic leukemia *Acute myeloid leukemia *Adrenocortical carcinoma *AIDS related cancers *AIDS related lymphoma *Anal cancer *Appendix cancer *Astrocytoma, childhood cerebellar… …   Wikipedia

  • tumor — 1. Any swelling or tumefaction. 2. SYN: neoplasm. 3. One of the four signs of inflammation (t., calor, dolor, rubor) enunciated by Celsus. [L. t., a swelling] acinar cell t. a …   Medical dictionary

  • Pineoblastom — Als Pineoblastom oder Pinealoblastom wird ein sehr seltener bösartiger Hirntumor bezeichnet, der nach der WHO Klassifikation der Tumoren des zentralen Nervensystems als Grad IV eingestuft wird. Pineoblastome treten insbesondere bei Kindern und… …   Deutsch Wikipedia

  • pinealoblastoma — pin·e·a·lo·blas·to·ma (pin″e ə lo blas toґmə) a type of neuroepithelial tumor that is a pinealoma in which the pineal cells are not well differentiated. Called also pineoblastoma …   Medical dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”