Legionellosis

Legionellosis or Legionnaires’ disease (LD) is a bacterial lung infection characterized by a potentially fatal pneumonia.

PPoma

PPoma is a type of pancreatic endocrine tumor (see this term) that hypersecretes pancreatic polypeptide (PP) but that does not cause a hypersecretion syndrome (is non-functioning) and instead presents with only non-specific symptoms such as weight loss, abdominal...

Polyarteritis nodosa

Polyarteritis nodosa (PAN) is a rare, clinically heterogeneous, rheumatologic disease characterized by necrotizing inflammatory lesions affecting small- and medium-sized blood vessels. PAN most commonly affects skin, joints, peripheral nerves, the gut, and the...

Dentinogenesis imperfecta

Dentinogenesis imperfecta (DGI) is a hereditary dentin defect (see this term) characterized by abnormal dentin structure resulting in abnormal tooth development.

Porphyria variegata

Variegate porphyria is a form of acute hepatic porphyria (see this term) characterized by the occurrence of neuro-visceral attacks with or without the presence of cutaneous lesions.