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Skull bossing is a descriptive term in medical physical examination indicating a protuberance of the skull, most often in the frontal bones of the forehead ("frontal bossing"). Although prominence of the skull bones may be normal, skull bossing may be associated with certain medical conditions, [ 1 ] including nutritional, metabolic, hormonal ...
Compensatory growth occurs forward at the coronal suture and backward at the lambdoid suture giving respectively a prominent forehead, called frontal bossing, and a prominent back portion of the head, called coning. [10] [11] This is the most common form of craniosynostosis. [13]
Trigonocephaly is a congenital condition due to premature fusion of the metopic suture (from Ancient Greek metopon 'forehead'), leading to a triangular forehead. The premature merging of the two frontal bones leads to transverse growth restriction and parallel growth expansion.
When symptoms do occur, they may be confused with those of arthritis or other disorders, and so diagnosis may be delayed. Paget's may first be noticed as an increasing deformity of a person's bones. [9] Paget's disease affecting the skull may cause frontal bossing, increased hat size, and headaches.
Pronounced brow protrusion, often with ocular distension (frontal bossing) Pronounced lower jaw protrusion (prognathism) with attendant macroglossia (enlargement of the tongue) and teeth spacing; Hypertrichosis, hyperpigmentation and hyperhidrosis may occur in these people. [10]: 499 Skin tags; Carpal tunnel syndrome
Jackson–Weiss syndrome (JWS) is a genetic disorder characterized by foot abnormalities and the premature fusion of certain bones of the skull (craniosynostosis), which prevents further growth of the skull and affects the shape of the head and face.
The typical symptoms of outward expansion are prominence of the supraorbital ridge and frontal bossing. The expansion could be focused on the orbit, nose, and other sinuses, or it could go intracranially. Sinus pressure, diplopia, ocular abnormalities, anosmia, and headache are associated symptoms. [1]
Cranial sutures. A defining characteristic of Crouzon syndrome is craniosynostosis, which results in an abnormal head shape.This is present in combinations of: frontal bossing, trigonocephaly (fusion of the metopic suture), brachycephaly (fusion of the coronal suture), dolichocephaly (fusion of the sagittal suture), plagiocephaly (unilateral premature closure of lambdoid and coronal sutures ...