A 32-year-old man with melanoma on the right paramedian region of the lower back underwent lymphoscintigraphy for radioguided sentinel node (SN) biopsy. Planar imaging showed the presence of 2 sites of radioactivity accumulation corresponding to an axillary SN and to an "in-transit" SN, located on the right side of the upper trunk. A further "hot spot" placed on the left paramedian region of the lower back was identified by planar lymphoscintigraphy. This last finding could be mistaken for another "in-transit" SN, but SPECT/CT demonstrated it was actually a nonspecific radiopharmaceutical accumulation at the level of the right renal pelvis.

Sentinel node mapping in melanoma of the back: SPECT/CT helps discriminate "True" and "False" in-transit lymph nodes

DUCE, VALERIO;manca, gianpiero;MAZZARRI, SARA;VOLTERRANI, DUCCIO
2016

Abstract

A 32-year-old man with melanoma on the right paramedian region of the lower back underwent lymphoscintigraphy for radioguided sentinel node (SN) biopsy. Planar imaging showed the presence of 2 sites of radioactivity accumulation corresponding to an axillary SN and to an "in-transit" SN, located on the right side of the upper trunk. A further "hot spot" placed on the left paramedian region of the lower back was identified by planar lymphoscintigraphy. This last finding could be mistaken for another "in-transit" SN, but SPECT/CT demonstrated it was actually a nonspecific radiopharmaceutical accumulation at the level of the right renal pelvis.
Duce, Valerio; Manca, Gianpiero; Mazzarri, Sara; Lorenzetti, Fulvio; Colletti, Patrick M.; Rubello, Domenico; Volterrani, Duccio
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/767443
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