pituitary region mass with intrinsic high T1 signal

Pituitary region mass with intrinsic high T1 signal, also referred as suprasellar hotspots, are relatively frequently encountered, and the presence of high T1 signal narrows the differential somewhat.

Differential diagnosis

The differential can be divided by the substance causing the T1 hyperintensity :

• blood
  • hemorrhagic pituitary macroadenoma (with or without clinical pituitary apoplexy) (most common )
  • thrombosed aneurysm
• fat
  • postoperative fat packing
  • teratoma / dermoid cyst
  • lipoma
• protein
  • craniopharyngioma
  • Rathke's cleft cyst
• calcification
  • chordoma
  • chondrosarcoma
  • chondroma
• normal variant
  • posterior pituitary bright spot
    • normal posterior pituitary
    • ectopic posterior pituitary
  • normal anterior pituitary
    • pregnancy
    • first 3 months of life
    • total parenteral nutrition

Siehe auch:

• Lipom
• Aneurysma
• Rathke Zyste
• Teratom
• Tumoren der Hypophysenregion
• Makroadenom Hypophyse
• ektope Neurohypophyse
• Dermoidzyste
• Kraniopharyngeom
• pituitary MRI - an approach
• SATCHMO

und weiter:

• Pituitary MRI (an approach)
• zystische Läsionen in der Hypophyse
• solid and enhancing pituitary region mass
• mostly / purely cystic pituitary region masses
• mixed cystic and solid pituitary region mass
• purely intrasellar pituitary mass
• zystische Läsionen der Sellaregion