What's the difference between benign and exostosis?

Benign


Definition:

  • (a.) Of a kind or gentle disposition; gracious; generous; favorable; benignant.
  • (a.) Exhibiting or manifesting kindness, gentleness, favor, etc.; mild; kindly; salutary; wholesome.
  • (a.) Of a mild type or character; as, a benign disease.

Example Sentences:

  • (1) This particular variant of rheumatoid arthritis (RA) is characterized by the presence of subcutaneous rheumatoid nodules, scanty or absent systemic manifestations and a clinically benign course.
  • (2) Weddellite calcification was associated with benign lesions in 16 cases, but incidental atypical lobular hyperplasia and lobular carcinoma in situ were present, each in one case.
  • (3) 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.
  • (4) The vulvar white keratotic lesions which have been subjected to histological examination in Himeji National Hospital (1973-1987) included 13 cases in benign dermatoses, 4 cases in vulvar epithelial hyperplasia, 3 cases in lichen sclerosus, and 3 cases in lichen sclerosus with foci of epithelial hyperplasia.
  • (5) Such complications as intracerebral haematoma or meningeal haemorrhage may occur during the usually benign course of the disease.
  • (6) Aneurysmal bone cyst is an uncommon benign lesion that rarely presents in the craniofacial region.
  • (7) Benign and malignant epithelial and soft tissue tumors of the skin were usually negatively stained with MoAb HMSA-2.
  • (8) HCT were classified by light microscopy as benign (n = 22), intermediate (n = 30), and malignant (n = 13).
  • (9) Four cases of benign lymphoid hyperplasia (BLH) of the duodenal bulb are reported.
  • (10) However, in benign prostatic hypertrophy (BPH) cases, a high false positive rate of 41% was observed in Americans.
  • (11) One week after initiation is 1-2 months before the appearance of benign papillomas that harbor activated Ha-ras oncogenes when the initiated mice are promoted with the tumor promoter phorbol 12-myristate 13-acetate.
  • (12) Gangliogliomas are rare benign tumors of the central nervous system containing neoplastic ganglion and low grade glial cells.
  • (13) It is important to be aware of the histological characteristics of this essentially benign condition so that unnecessary radical therapies can be avoided.
  • (14) No malignant tumour failed to be diagnosed (100% reliable), the anatomopathological examination of specimens in benign conditions was never wrong (100% reliable).
  • (15) Positive staining was present in cells in almost all of the benign and fibro-histiocytic lesions but was reduced in the malignant group.
  • (16) In this paper, 5 patients with benign tumor (3 tubular adenoma, 1 leiomyoma and 1 fibroma) and 35 pseudotumor (26 cholesterol polyps and 9 inflammatory polyps) of the gallbladder are presented.
  • (17) Because of the small number of cases (7), however, we are not able to state whether it is possible to distinguish between benign and malignant tumors in all cases.
  • (18) This postoperative surveillance was aimed at discovering benign or malignant neoplastic growth within the remaining large bowel.
  • (19) However, despite extreme neutropenia, infection is rare in chronic benign neutropenia patients.
  • (20) In contrast, there was only a 5% incidence of malignant neoplasia and a 29% incidence of benign neoplasia in the respiratory region.

Exostosis


Definition:

  • (n.) Any protuberance of a bone which is not natural; an excrescence or morbid enlargement of a bone.
  • (n.) A knot formed upon or in the wood of trees by disease.

Example Sentences:

  • (1) The operation revealed a necrotic focus of the patellar tendon in 21 cases, the retinaculum was thick and adherent in 16 patients and an exostosis of the patellar insertion was seen in two cases.
  • (2) An unusual case of severe palatal fibromas and concomitant vestibular exostosis in a 36-year-old woman is presented.
  • (3) Malignant degeneration to chondrosarcoma occurred in the left hemipelvis of a patient with multiple hereditary exostosis.
  • (4) A 58-year-old woman with hereditary multiple exostoses had slowly progressive myelopathy due to a vertebral exostosis that compressed the spinal cord at T1-2.
  • (5) Comparative studies are being conducted on hereditary multiple exostosis in man and the horse.
  • (6) Thoracotomy was done to remove the tumor and the histological diagnosis was exostosis.
  • (7) This case of pneumothorax caused by an exostosis lacerating the lung is rare.
  • (8) The various entities of coronoid process osteochondroma, osteoma, exostosis, hypertrophy and developmental anomaly, all producing a similar picture of coronoid process enlargement are discussed.
  • (9) The incidence of subungual exostosis accounted for 4.6% of all bone tumor.
  • (10) Multiple exostosis and Dyschondroplasia (Ollier's disease) are two Osteochondrodysplasia with abnormal cartilagenous growth which hinder growth of the long bones especially.
  • (11) The operative specimens demonstrated fusion of the rudimentary first rib to the second rib, with compression of the subclavian artery by a large first-rib exostosis.
  • (12) The clinical experience of a patient with a large exostosis who had a chief complaint of difficulty in opening the mouth is reported.
  • (13) A case arising from a solitary osteocartilagenous exostosis is presented and the literature is reviewed and discussed.
  • (14) Surgical resection of any underlying exostosis may be required for hard or soft corns or "pump bumps," which are caused by pressure from the shoe's heel.
  • (15) Thirty of 50 patients with hereditary multiple exostosis developed significant deformities of the arm in one extremity.
  • (16) A follow-up of up to 9 years would indicate that post-stenotic dilatation of mild or moderate degree is adequately treated by resection of the cervical rib and exostosis on first rib.
  • (17) A hitherto undescribed group of lesions consisting of cystic bony lesions, exostosis, fibromatous lesion, unilateral tonsillar hypertrophy, epidermoid cyst (cholesteatoma) and hyperplasia of the mandible confined to the left side of the face is reported.
  • (18) A young man had hereditary sensory radicular neuropathy with relapsing ulcer of the foot and, in addition to previously known clinical features, osteoarthropathy with hallux valgus, metatarsus primus varus, exostosis, and pes planus.
  • (19) We have studied three children with cutaneous (epidermal nevi), subcutaneous (lipomas, plantar skin thickening), vascular (hemangioma, lymphangioma), skeletal (osteoma, exostosis, localized hypertrophy), and neurological (hydrocephaly, lissencephaly, partial agenesis of the corpus callosum) developmental defects associated with the Proteus syndrome and related hamartoneoplastic conditions.
  • (20) Two cases of post-traumatic transection of the popliteal artery in patients with exostosis of the lower extremities are reported.

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