RFT1-CDG

RFT1-CDG is a form of congenital disorders of N-linked glycosylation characterized by poorly coordinated suck resulting in difficulty feeding and failure to thrive; myoclonic jerks with hypotonia and brisk reflexes progressing to a seizure disorder; roving eyes;...

Lichen planus pigmentosus

Lichen planus (LP) pigmentosus is a rare variant of cutaneous lichen planus (see this term) characterized by the presence of hyperpigmented lichenoid lesions in sun-exposed or flexural areas of the body.

Spasmus nutans

Spasmus nutans (SN) is a rare eye disease characterized by the clinical triad of asymmetric and pendular nystagmus, head nodding, and torticollis.

Athyreosis

Athyreosis is a form of thyroid dysgenesis (see this term) characterized by complete absence of thyroid tissue that results in primary congenital hypothyroidism (see this term), a permanent thyroid deficiency that is present from birth.