Opiliones
A phéochromocytome is a tumoral affection sometimes Maligne. This tumor develops starting from the cells chromaffines adrenal medulla.
This tumor is exceptional, but touches relatively young patients (20-50 years). Its malignant character is even rarer, but frightening, with the emission of hepatic metastases and osseous.
History
Its first description goes up with 1886 per Felix Fränkel in a patient deceased of what he thought of being a cancer of the glands Surrénale S. the term Phéochromocytome appears in 1912 and corresponds to a particular coloring of the fabrics surrénaliens after fixing with chromate.Diagnosis
Private clinic
The phéochromocytome comprises: associated with a typical symptomatic triad but inconstant associating:-
of the pulsatile Cephalgia S
- of cardiac palpitations and Tachycardia
- of the Sweat S profuses
- Of other symptoms is possible:
The clinical elements of the phéochromocytome can intriquer with other disease the such Maladie of Von Hippel-Lindau, a multiple Néoplasie endocrinienne, or a Syndrome of Cushing
Biology
Proportioning of the Catecholamine S: métanéphrine and normétanéphrine urinary of the 24:00
Other metabolic disorders
Seek of a multiple Néoplasie endocrinienne of the type 2 (NEM2):- search for a change of proto-oncogene RET
- search for a Hyperparathyroïdie
- search for a medullary cancer of thyroid the
Seek of a change of gene VHL (Maladie of Von Hippel-Lindau)
Imagery
- Scintiscanning with the MIBG (Méta-iodobenzylguanidine)
- Scanner (Tdm) or thoraco-abdominal IRM
Treatment