What's the difference between benign and osteoma?

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.

Osteoma


Definition:

  • (n.) A tumor composed mainly of bone; a tumor of a bone.

Example Sentences:

  • (1) The radiological and macroscopic features were identical with osteoid osteoma.
  • (2) The author maintains that the osteoma of the brachial muscle as well as post-traumatic periarticular calcifications, occur in the muscle mass or in the tendon that prolongs it, or in the articular capsule, as a result of surgical treament and post-operative immobilization, and only exceptionally following orthopaedic treatment of traumatic lesions.
  • (3) Examples include the specific pattern of hypodontia seen before the development of iris dysplasia in Rieger syndrome, and the presence of supernumerary teeth and facial osteomas preceding malignant transformation of intestinal polyps in Gardner syndrome.
  • (4) Complications due to orbital or intracranial development of the osteoma are rare and demand neurosurgical treatment.
  • (5) In Paget's disease, there was shown a relative increase in the oligopeptide fraction, whereas the polypeptide fraction was increased in osteoma.
  • (6) A bucco-lingual cross action through the mandible in the canine area revealed central osteomas.
  • (7) 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.
  • (8) Button osteomas affect two animals and are the only neoplastic conditions observed.
  • (9) Other cells present in osteoid osteoma besides osteocytes included osteoprogenitor cells resembling Scott type A and B cells and cells in transitional stages of differentiation.
  • (10) Osteoid osteomas were removed by CT-guided core drill excision of the nidus in 4 patients.
  • (11) Juxta-articular osteoid osteomas often show an absent or small perifocal osteosclerosis, whereas a laminar periosteal reaction was seen in all own cases.
  • (12) Within a period of 16 months, 25 osteomas of the paranasal sinuses were observed.
  • (13) Osteoid osteoma is a benign osteoblastic tumor usually diagnosed by conventional radiography.
  • (14) In the light of our investigations (29 phthitic or chronically hypotonic eyes, 12 of them with intraocular bone formation) and the literature primary osteomas of the choroid have to be interpreted more likely as secondary processes, possibly following a (birth-)trauma, than as congenital choristomas.
  • (15) Thirteen cases of osteoid osteoma demonstrated with computerized tomography are reported.
  • (16) Juxtaarticular osteoid osteomas in the ankle are frequently misdiagnosed because their symptoms mimic arthritis and may precede roentgenographic findings.
  • (17) This is a case report of a 13-year-old boy with an osteoid-osteoma located in the pedicle of the third lumbar vertebra.
  • (18) Recent progress in radiology for management of bone tumors (scintigraphy, angiography) have given greater accuracy in the preoperative diagnosis of osteoid osteoma.
  • (19) The authors describe a clinic case regarding a 23 year-old man affected by an osteoid osteoma of the hip's posterior edge of the cotyloid cavity.
  • (20) If the diagnosis is still unclear, selective angiography may reveal the tumor blush typical of osteoid osteoma.

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