Wormian bones

Description

Also known as intrasutural bone, is an additional bony segment interlocked in an existing cranial suture. A special form: Interparietal bone or Inca bone is an interlocked irregular isolated bone at the lambdoid suture. Although harmless it may be associated with craniofacial and other syndromes.

Index terms

Wormian bones

Exclusions from above levels

http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

LB70.0 – Craniosynostosis
LB70.2 – J-shaped sella turcica
LB70.3 – Macrocephaly
LB70.Y – Other specified structural developmental anomalies of cranium
LB70.Z – Structural developmental anomalies of cranium, unspecified

Foundation entity

Wormian bones – http://id.who.int/icd/entity/1615657779

Part of: LB70: Structural developmental anomalies of cranium › 20: Developmental anomalies