What's the difference between teratoma and tumour?

Teratoma


Definition:

  • (n.) A tumor, sometimes found in newborn children, which is made up of a heterigenous mixture of tissues, as of bone, cartilage and muscle.

Example Sentences:

  • (1) This was either giant teratoma of placenta or malformed twin foetus.
  • (2) The patient, a 28-year-old woman, in her ninth week of pregnancy, was operated on for stage Ia, mixed germ cell tumor (grade 3 immature teratoma + yolk sac tumor) of AFP decreased to the normal level.
  • (3) Teratomas, which consist only or predominantly of thyroid tissue, are termed struma ovarii.
  • (4) Astrocytomas and teratomas are the most common oncotypes in infants and particularly in neonates.
  • (5) Primary intracranila choriocarcinoma, either alone or with malignant teratoma, is a rare tumor.
  • (6) The authors report eight cases of antenatal diagnosis of sacro-coccygeal teratoma (SCT) in five girls and three boys in whom the diagnosis was made between the 19th and 34th week of amenorrhea (mean = 27 weeks).
  • (7) Review of the results of treatment of 275 patients with testicular teratomas indicates that the size of para-aortic node metastases as defined by lymphography is closely related to prognosis, and that accurate definition of these metastases is essential in planning treatment.
  • (8) Angiomas, angiofibromas and teratomas, all of them of rare occurrence, are the benign tumours, with the chorioangioma being the best known of them.
  • (9) were reexamined in the light of findings with electron microscopy (E.M.) and previously unidentified cellular elements were found to be characteristic of choriocarcinoma and teratoma.
  • (10) Four cases of squamous carcinoma arising in benign cystic teratoma of the ovary are presented, with a detailed correlation of clinical, operative and pathological findings with prognosis.
  • (11) The teeth developing in teratoma are not comparable to the normal process which is harmonized when the formation and the distribution of the various parts are concerned.
  • (12) A 3-year-old child is presented with a benign anterior mediastinal teratoma that was primarily located inferior to the left lung and confused with pleural fluid.
  • (13) Twenty-seven of the 33 patients with teratoma originating in the gonads remain in complete remission.
  • (14) Skeletal metastases were present in all five patients who died with seminoma and in two of the eight whose deaths were due to teratoma.
  • (15) In the years 1979-1982, 83 patients with malignant teratoma of the testis who had retroperitoneal adenopathy at presentation or after a period of surveillance were treated.
  • (16) In infants and children, yolk sac tumor and teratoma are the usual tumors; in older age patients, it is predominantly spermatocytic seminoma and malignant lymphoma, although the others may occur as well.
  • (17) We conclude that yolk-sac-derived teratomas are of endodermal origin because of the fact that the paternal X chromosome is inactivated in the yolk sac endoderm, whereas in the yolk sac mesoderm, as in the embryo, the inactivation is at random.
  • (18) (5) In a recent study of 23 patients undergoing resection of residual nonseminomatous testicular cancer after intensive chemotherapy, 21 had either teratoma in primary tumor or bulky metastatic disease.
  • (19) Pathologic examination showed a mature sacrococcygeal teratoma weighing 620-g, and measuring 14-cm by 11-cm by 9-cm.
  • (20) Two years later, hepatic metastasis was discovered and treated with different multiple-agent chemotherapy, resulting in transformation or evolution into a mature teratoma form of disease.

Tumour


Definition:

Example Sentences:

  • (1) In contrast to previous reports, these tumours were more malignant than osteosarcomas and showed a five-year survival rate of only 4-2 per cent.
  • (2) At operation, the tumour was identified and excised with part of the aneurysmal wall.
  • (3) When perfusion of the affected lung was less than one-third of the total the tumour was found to be unresectable.
  • (4) Some S-100 reactive cells previously interpreted as tumour cells were refound in a few tumours.
  • (5) An association of cyclophosphamide, fluorouracil and methotrexate already employed with success against solid tumours in other sites was used in the treatment of 62 patients with advanced tumours of the head and neck.
  • (6) Ten out of 12 (83%) tumours which had c-erbB-2 and c-erbA co-amplification had metastasised to axillary lymph nodes (P less than 0.006).
  • (7) These data indicate that RNA faithfully transfers "suppressive" as well as "positive" types of immune responses that have been reported previously for lymphocytes obtained directly from tumour-bearing and tumour-immune animals.
  • (8) These are rare tumours comparable to abdominal desmoid tumours.
  • (9) Over the past decade the use of monoclonal antibodies has greatly advanced our knowledge of the biological properties and heterogeneity that exist within human tumours, and in particular in lung cancer.
  • (10) Tumour necrosis factor (TNF), a polypeptide produced by mononuclear phagocytes, has been implicated as an important mediator of inflammatory processes and of clinical manifestations in acute infectious diseases.
  • (11) Expression of AR was compared with that of ER and PR as well as with tumour grade and age.
  • (12) The risk of recurrence and progression in 170 patients presenting with pTa urothelial tumours of the bladder has been estimated so that follow-up can be rationalised.
  • (13) Instead, the White House opted for a low-key approach, publishing a blogpost profiling Trinace Edwards, a brain-tumour victim who recently discovered she was eligible for Medicaid coverage.
  • (14) Finally, 10 patients had an intra- and extrasellar tumour (group III).
  • (15) Four patients with tumours larger than 2 cm died from metastatic carcinoid.
  • (16) We conclude that 1H MRS has a clear role in the diagnosis and biochemical assessment of intracranial tumours and in the evaluation and monitoring of therapy.
  • (17) The independent but combined use of both antigens, appreciably raises the diagnostic success percentage with regard to that obtained when only one tumour marker was used.
  • (18) We describe 10 patients with cerebral venous thrombosis: two had protein S deficiency, one had protein C deficiency, one was in early pregnancy, and there was a single case of each of the following: dural arteriovenous malformation, intracerebral arteriovenous malformation, bilateral glomus tumours, systemic lupus erythematosus, Wegener's granulomatosis, non-Hodgkin's lymphoma.
  • (19) All patients in Stages I and II (5 out of 26) who developed metastases had poorly differentiated (histological Type III) tumours.
  • (20) Three angiographic observations showing partial mesenteric vascularisation of renal tumours were made.

Words possibly related to "teratoma"