Teratoma
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A teratoma is an encapsulated tumor with tissue or organ components resembling normal derivatives of all three germ layers. There are rare occasions when not all three germ layers are identifiable. The tissues of a teratoma, although normal in themselves, may be quite different from surrounding tissues, and may be highly disparate; teratomas have been reported to contain hair, teeth, bone and very rarely more complex organs such as eye, torso, and hands, feet, or other limbs. Usually, however, a teratoma will contain no organs but rather one or more tissues normally found in organs such as the brain, thyroid, liver, and lung. Sometimes, the teratoma has within its capsule one or more fluid-filled cysts and when a large cyst occurs there is a potential for the teratoma to produce a structure within the cyst that resembles a fetus. Because they are encapsulated, teratomas are usually benign, although several forms of malignant teratoma are known and some of these are common forms of teratoma. A mature teratoma is typically benign and found more commonly in females, while an immature teratoma is typically malignant and is more often found in males.

Teratomas are thought to be present at birth (congenital), but small ones often are not discovered until much later in life.

Definitive medical diagnosis of a teratoma is based on its histology; this diagnosis is made by a pathologist.

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Labor Day Weekend Extravaganza fundraiser at Four Seasons Sports Complex - Carroll County Times Tweet this news
Carroll County Times--He likes baseball and swimming, and he has an immature -teratoma- in his right sinus cavity. The immature -teratoma- is a rare, aggressive form of cancer. ... - Date : Thu, 26 Aug 2010 21:31:44 GMT+00:00
New rapid technique enables successful, fast human stem cell purification - Oneindia Tweet this news
Oneindia--They reported separating out the desired stem cells from the -teratoma--forming cells at a rate of about 25000 cells per second. The researchers say they ... - Date : Sat, 07 Aug 2010 11:02:09 GMT+00:00
New, Rapid Technique Purifies Human Embryonic Stem Cells - Medical News Today (press release) Tweet this news
Medical News Today (press release)--They reported separating out the desired stem cells from the -teratoma--forming cells at a rate of about 25000 cells per second. The researchers say they ... - Date : Mon, 09 Aug 2010 08:07:22 GMT+00:00
Annual 'If you build it, they will run' race supports local girl - The Mercury Tweet this news
The Mercury--After arriving at Children's Hospital of Philadelphia, it was discovered that Charlotte had an ovarian -teratoma- that was causing her body to produce ... - Date : Tue, 10 Aug 2010 10:27:14 GMT+00:00
תאים עם פוטנציאל - מבט אל תאי הגזע - הידען Tweet this news
הידען--במאה ה-19 החלו חוקרים מצרפת ומגרמניה להתעניין בגידול נדיר ומוזר הנקרא טרטומה (-teratoma-) - "גידול מפלצתי" ביוונית. טרטומה היא גידו� - Date : Mon, 09 Aug 2010 21:06:18 GMT+00:00
Former Swedesboro resident is beating the odds - Gloucester County Times - NJ.com Tweet this news
Gloucester County Times - NJ.com--Misty was diagnosed with cancer � a rare -teratoma- germ cell tumor � when she was 11 months old. She was given no better than a 50-50 chance to survive. ... - Date : Thu, 15 Jul 2010 15:07:41 GMT+00:00
Biologists Find Way To Lower Tumor Risk In Stem Cell Therapies - Medical News Today (press release) Tweet this news
Medical News Today (press release)--Once we identify more pathways required for -teratoma- formation by embryonic stem cells, we might be able to completely suppress the formation of -teratomas- ... - Date : Fri, 09 Jul 2010 10:06:28 GMT+00:00
Pair working to keep son's memory alive - Sierra Vista Herald Tweet this news
Sierra Vista Herald--1, 2003, Jonathon was diagnosed with Atypical Teratoid Rhabdoid -Teratoma-, an aggressive, fast-growing and rare form of brain cancer that strikes babies and ... - Date : Thu, 15 Jul 2010 07:51:59 GMT+00:00
Bike ride has significant meaning to Taunton rider - Taunton Daily Gazette Tweet this news
Taunton Daily Gazette--His mom, Mary, succumbed to breast cancer in June 1976, his wife, Linda Boid, in July 1986 from malignant -teratoma-, which today, is known as ovarian cancer. ... - Date : Sun, 04 Jul 2010 02:18:49 GMT+00:00
Brasileiros descobrem nova rota de reprogramação de células-tronco - Diário da Saúde Tweet this news
Diário da Saúde--"O mais importante é que a reprogramação não levou à formação, nos camundongos, de um -teratoma- - um tumor embrionário que surge frequentemente quando ... - Date : Mon, 07 Jun 2010 12:04:31 GMT+00:00

Germ cell tumors (ICD-O 9060-9119) (C45-C49/D17-D21, 171/214-215)

GerminomatousGerminoma (Seminoma, Dysgerminoma)
NongerminomatousEmbryonal carcinoma Mesonephroma: Endodermal sinus tumor/Yolk sac tumor Teratoma: Fetus in fetu * Dermoid cyst * Struma ovarii Trophoblastic neoplasm: Gestational trophoblastic disease (Hydatidiform mole) * Choriocarcinoma * Placental site trophoblastic tumor Polyembryoma Gonadoblastoma

Tumors: endocrine gland neoplasia (C73-C75/D34-D35, 193-194/226-227)

Pancreas/
islets of Langerhans
neuroendocrine tumors/islet cell carcinoma: α:Glucagonoma * β:Insulinoma * δ:Somatostatinoma * G:Gastrinoma * VIPoma
Hypothalamic/
pituitary axes
+parathyroid
PituitaryProlactinoma * ACTH-secreting pituitary adenoma * Growth hormone-secreting pituitary adenoma
Craniopharyngioma Pituicytoma
ThyroidThyroid cancer (malignant): epithelial cell /carcinoma (Papillary, Follicular/Hurthle cell) * parafollicular cell (Medullary) * Anaplastic
Benign: Thyroid adenoma * Struma ovarii
ParathyroidParathyroid adenoma * Parathyroid carcinoma
Adrenal tumoradrenal cortex (Adrenocortical adenoma, Adrenocortical carcinoma)
adrenal medulla (Pheochromocytoma, Neuroblastoma) * see also Paraganglioma
Gonadssee genital neoplasia
Pinealoma
Pinealoblastoma * Pineocytoma
MEN
1 * 2A * 2B

Tumors: female urogenital neoplasia * (C51-C58/D25-28, 179-184/218-221)

Adnexa

Tumors: female urogenital neoplasia * (C51-C58/D25-28, 179-184/218-221)

Adnexa
Adnexa
subgroup |groupstyle=background:#BBEEBB; |Ovaries |
Fallopian tube
Adenomatoid tumor

Tumors: male urogenital neoplasia * genital neoplasia (C60-C63/D29, 185-187/222)

Internal

Tumors: male urogenital neoplasia * genital neoplasia (C60-C63/D29, 185-187/222)

Internal
Internal
subgroup

Tumors: male urogenital neoplasia * genital neoplasia (C60-C63/D29, 185-187/222)

Internal
Internal
subgroup
Internal
subgroup |groupstyle=background-color: #BBEEBB; |Testicles |
Germ cell
GSeminoma (Spermatocytic seminoma) * Intratubular germ cell neoplasia
NGEmbryonal carcinoma * Endodermal sinus tumor * Gonadoblastoma * Teratoma * Choriocarcinoma * Embryoma



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