Table 3.

Detailed description of preoperative localisation studies and pathological results.

	Lesions found at US & MIBI	Lesions found at PVS	Surgical extent	Pathologically positive lesion
Case 1	Rt. Superior	Rt. superior	TPX	Rt. superior
		Rt. Inferior
	Lt. Superior			Lt. superior
		Lt. inferior
Case 2		Rt. superior	TPX	Rt. superior
	Rt. inferior	Rt. inferior		Rt. inferior
	Lt. superior			Lt. superior
				Lt. inferior
Case 3		Rt. superior	TPX	Rt. superior
				Rt. inferior
	Rt. Inferior	Rt. inferior		Lt. inferior
		Lt. superior
		Lt. inferior
Case 4		Rt. superior	TPX	Rt. superior
		Rt. inferior		Rt. inferior
	Lt. superior	Lt. superior		Lt. superior
	Lt. inferior	Lt. inferior
Case 5	Rt. superior	Rt. superior	SPX	Rt. superior
		Rt. inferior		Rt. inferior
	Lt. superior	Lt. superior		Lt. superior
Case 6	Ambiguous	Rt. superior	LPX	Rt. superior
Case 7	Rt. inferior	Rt. inferior	LPX	Rt. inferior
Case 8	Rt. superior	Rt. superior	LPX	Rt. superior
	Rt. inferior	Rt. inferior		Rt. inferior
Case 9	Rt. inferior	Rt. inferior	LPX	Rt. inferior
	Lt. superior	Lt. superior		Lt. superior

TPX total parathyroidectomy with auto-transplantation to the forearm, SPX subtotal parathyroidectomy, LPX less-than-subtotal parathyroidectomy, MIBI ^99mTc-methoxyisobutylisonitrile single photon emission computed tomography, US ultrasonography, PVS parathyroid venous sampling, Rt. right, Lt. left.