Nontumoral calcifications have also been described in these patients, with symmetric or asymmetric calcifications of the choroid plexus in the lateral ventricles and nodular calcifications of the cerebellum (11) being most commonly observed.
65,66) The choroid plexus papillomas and carcinomas have punctate calcifications in approximately 25% of cases.
The team's findings suggest that the complement system is malfunctioning, attacking the retina and choroids
Other sites are the nasopharynx, maxillary sinus, thyroid gland, soft tissues of the anterior cervical region, parotid gland, tonsil, oropharynx, larynx, orbit, and choroids
of the eye and eyelid.
The thinning of Bruch's membrane can result in cracks through which new blood vessels can grow from the choroid
underneath the retina.