What's the difference between chondroma and tumour?
Chondroma
Definition:
(n.) A cartilaginous tumor or growth.
Example Sentences:
(1) Periosteal chondroma is an uncommon benign cartilagenous lesion, and its importance lies primarily in its characteristic radiographic and pathologic appearance which should be of assistance in the differential diagnosis of eccentric lesions of bones.
(2) The frequencies in the two groups are as follows: In the benign group, osteoma had the highest incidence and then, with decreasing frequencies: osteochondroma, chondroma, synovioma, giant cell tumor, ossifying fibroma, osteoid osteoma, chondromyxoid fibroma.
(3) 144 chondromas and chondrosarcomas have been investigated.
(4) Meningiomas, metastases, trigeminal neurinomas, epidermoids, chordomas and chondromas were included in the study.
(5) The malignant lesions comprised 1 primary tracheal cancer, 1 chondroma of the trachea, 34 primary lung cancer, and 10 metastatic lung tumor.
(6) An endotracheal chondroma with recurrent course and malignant transformation is described.
(7) The tumour, which, exceeding 5 kg was considered histologically as a chondroma, was replaced by a silastic prosthesis with an excellent result 13 months later.
(8) In addition to eosinophilic granuloma, chondroma, osteochondroma, aneurysmatic bone cyst, and osteomyelitis, the differential diagnosis of primary costal tumors in children must also include Ewing's sarcoma.
(9) The chondroma was successfully resected and the patient has had no recurrence since the operation in 1956.
(10) Cartilaginous tumors of the larynx are rare, and of those reported, most are chondromas.
(11) Two cases of chondromas arising primarily from the sella turcica are reported.
(12) In both cases chondroma had been diagnosed histologically at previous operations consisting of curettage and homoplastic grafting.
(13) We report on two cases of intracranial chondroma that showed delayed contrast enhancement on CT after high-dose administration of contrast medium.
(14) The CT appearances of expansions due to chondroma, tuberculosis, hypertrophic lingual tonsilla, fluid-filled laryngocele, aberrant thyroid adenoma, and chronic granulomatous inflammation are described.
(15) Two cases of nasal chondroma are recorded and the past literature reviewed.
(16) A case of intracortical chondroma in the left femur in a 22-year-old man is presented.
(17) 80% were chondromas, either isolated (27), or multiples in enchondromata (9).
(18) On IR images, seven of eight chordomas showed heterogeneous low signal intensity, and one chordoma and all chondromas showed markedly low signal intensity similar to that of CSF.
(19) Of the various hypotheses concerning the pathogenesis of lingual chondromas, it seems most likely that they are truly neoplasms (or hamartomas) of mesenchymal tissue that manifest metaplastic features.
(20) Lesser percentages were giant-cell tumors, osteochondromas, chondromas.
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.