II. Definition

  1. Pedunculated tumor of cancellous bone

III. Pathophysiology

  1. Benign bony growth of ear canal
  2. Origin
    1. Tympanosquamous junction
    2. Tympanomastoid Suture

V. Signs

  1. Single, unilateral tumor at bone-cartilage junction

VI. Management

  1. Excise if Hearing Loss or pain

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Ontology: Osteoma (C0029440)

Definition (NCI_CDISC) A benign well-differentiated neoplasm of bone.
Definition (NCI) A rare, benign neoplasm arising from the bone.
Definition (MSH) A benign tumor composed of bone tissue or a hard tumor of bonelike structure developing on a bone (homoplastic osteoma) or on other structures (heteroplastic osteoma). (From Dorland, 27th ed)
Concepts Neoplastic Process (T191)
MSH D010016
ICD10 M9180/0
SnomedCT 83612000, 134169005, 269638002, 154611005, 187899007, 188904008, 302858007
English Osteoma, Osteomas, OSTEOMA, [M]Osteoma NOS, Osteoma NOS, benign osteoma of bone (diagnosis), benign osteoma of bone, Osteoma, no ICD-O subtype, Osteoma [Disease/Finding], osteomas, osteoma, [M]Osteoma NOS (disorder), Osteoma, no International Classification of Diseases for Oncology subtype (morphologic abnormality), Osteoma, no International Classification of Diseases for Oncology subtype, Osteoma, no ICD-O subtype (morphologic abnormality), OSTEOMA, BENIGN, Osteoma (disorder), Osteoma, NOS
French OSTEOME, Ostéome
Portuguese OSTEOMA, Osteoma
Spanish OSTEOMA, morfología: osteoma, no clasificado como subtipo en CIE - O, [M] osteoma SAI (trastorno), [M] osteoma SAI, morfología: osteoma, no clasificado como subtipo en CIE - O (anomalía morfológica), osteoma (trastorno), osteoma, Osteoma
German OSTEOM, Osteom
Japanese 骨腫, コツシュ
Swedish Osteom
Czech osteom, Osteom
Finnish Osteooma
Russian OSTEOMA, ОСТЕОМА
Croatian OSTEOM
Polish Kostniak
Hungarian Osteoma
Norwegian Osteom
Dutch osteoom, Osteoom
Italian Osteoma