Table 1.

Characterisation of the PitNET TMA cohort, including TGFBR3L.

Tumour Type	Number	IHC Subtype	Clinical Phenotype	TGFBR3L Positive
Gonadotroph	110	SF1; FSH/LH	NF-PitNET 1	37
Corticotroph	21	T-Pit; ACTH	Cushing/Nelson	0
	25	T-Pit; ACTH	NF-PitNET 1	0
Somatotroph	24	Pit-1; GH	Acromegaly	0
	31	Pit-1; GH-PRL	Acromegaly	0
	2	Pit-1; GH	NF-PitNET 1	0
Lactotroph	6	Pit-1; PRL	Hyperprolactinemia	0
	2	Pit-1; PRL	NF-PitNET 1	0
Thyrotroph	2	Pit-1; TSH	HyperTSH	0
Null cell	7	TFs 2 neg; Hormone neg.	NF-PitNET 1	0
Total	230			37

¹ NF-PitNet: Non-functioning pituitary neuroendocrine tumour. ² TF: Transcription factor.