Button osteoma

Its etiology and pathophysiology

Bibliographic Data

ID8316953
AuthorsVered Eshed (Tel Aviv University), Bruce Latimer (Cleveland Museum of Natural History), Charles M Greenwald (Cleveland Museum of Natural History), Lyman M Jellema (Cleveland Museum of Natural History), Bruce M Rothschild, Bruce Rothschild (0000-0003-1327-6615, Ohio University), Susanne Wish‐baratz (0000-0002-6353-5374, Tel Aviv University), Israel Hershkovitz (0000-0001-5841-6090, Tel Aviv University, corresponding author)
Year2002
Volume118
Issue3
Pages217-230
Publication date2002-07-01
Open AccessYes
TypeARTICLE
VenueAmerican Journal of Physical Anthropology (JOURNAL)
Journal identifiersISSN: 0002-9483 • E-ISSN: 1096-8644
PublisherWiley (PUBLISHER • GB)
DOI10.1002/ajpa.10087
PMID12115278
OpenAlexW2104092401
LanguageEN
Citations received19
References cited16

The present study investigates a circumscribed bony overgrowth on the cranial vault, known as button osteoma (BtO) and referred to here as button lesion (BtL). We discuss its anthropological implications. Data on its histology, location, and population distribution (by age, race, and gender) are provided. Microscopically, BtL is composed of well‐organized dense lamellated bone which is poorly vascularized and with very few osteocytes. It forms a dome‐shaped roof over an underlying diploeized area which includes the ectocranial table. The frequency of BtL is similar in modern (37.6%) and archaeological (41.1%) populations, in blacks, whites, males, and females, and correlates with age. It is rare in nonhuman primates. Fifty‐five percent of the human skulls studied by us had BtL only on the parietal, 23.6% on the frontal, and 3.6% on the occipital bones. Fifteen percent had BtL on both the frontal and parietal bones. No lateral preference was found. Most skulls with BtL (64.1%) had only one lesion, 20.4% had two BtL, and 15.4% demonstrated multiple BtL. The average number of button osteomas on an affected skull was 1.97. The frequency of large osteomas (0.5–1.0 cm) was similar in young and old age groups. The demographic characteristics of BtL, mainly its high frequency among ancient and modern populations, its independence of sex and race, its scarcity in other primates, and the fact that its macro‐ and microstruture are indicative of an hamartoma (and not an osteoma or exostosis) suggest an evolutionary background to the phenomenon. Am J Phys Anthropol 118:217–230, 2002. © 2002 Wiley‐Liss, Inc

Cranial vault · Osteoma · Population · Skull · Anatomy · Bone Tumor Diagnosis and Treatments · Hedgehog Signaling Pathway Studies · Medicine · Oral and Maxillofacial Pathology

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