Primary melanoma of the central nervous system

Adult

Primary membranoproliferative glomerulonephritis

Not applicable

Adult

Primary membranous glomerulonephritis

Adult

Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome

Autosomal recessive

Neonatal

Primary microcephaly-mild intellectual disability-young-onset diabetes syndrome

Autosomal recessive

Adolescent, Childhood

Primary myelofibrosis

Not applicable

Adult

Primary non-essential cutis verticis gyrata

Adolescent, Childhood, Infancy, Neonatal

Primary non-gestational choriocarcinoma of ovary

Unknown

Adolescent

Primary oculocerebral lymphoma

Not applicable

Adult

Primary orthostatic tremor

Not applicable

Adult

Primary pediatric heart tumor

Not applicable

Childhood

Primary pericardial mesothelioma

Primary peritoneal carcinoma

Unknown

Adult

Primary plasmacytoma of the bone

Primary polyarteritis nodosa

Not applicable

Primary progressive aphasia

Multigenic/multifactorial, Not applicable

Adult

Primary progressive apraxia of speech

Unknown

Adult

Primary progressive freezing gait

Unknown

Adult

Primary pulmonary hypoplasia

Neonatal

Primary pulmonary lymphoma

Not applicable

Adult, Elderly

Primary sclerosing cholangitis

Multigenic/multifactorial

Adolescent, Adult, Childhood, Elderly

Primary systemic amyloidosis

Not applicable

Primary tethered cord syndrome

Infancy, Neonatal

Primary triglyceride deposit cardiomyovasculopathy

Autosomal recessive

Adult