Gamma probe and ultrasound guided fine needle aspiration cytology of the sentinel node (GULF) trial - overview of the literature, pilot and study protocol

Table 2 Pilot studies on novel techniques for pre-operative non-invasive detection of melanoma metastases in lymph nodes

Author, yr	Topic	No. of patients	Technique	Sens (%)	Spec (%)
Hinz [72], 2013	Elastography	36	US + power Doppler:	81	76
			Elastography:	91	76
			Combined:	95	76
Ogata [35], 2014	Elastography	12	US:	77	57
Ogata [35], 2014	Elastography	12	Elastography:	100	71
Stoffels [37], 2015	MSOT and indocyanin green	20	MSOT	100	48.6

Overview of pilot studies investigating non-invasive detection of melanoma lymph node metastases
Abbreviations: yr. year, Sens sensitivity, Spec specificity, US ultrasound, MSOT multispectral optoacoustic tomography

ISSN: 1471-2407