Table 2.

Characteristics of the patients with lymphatic drainage to ectopic nodal basins

Patient	Location of the primary melanoma	Clinically involved basin	Surgical treatment of the involved basin	Second nodal basin	Surgical treatment of the ectopic basin	Pathologic status of the ectopic basin
1	Anus/rectum midlinea	Paraproctium	Abdominoperineal resection	Right groin	SLNB	Positive
2	Back midline	Groin	Inguinal TLND	Contralat. groin	SLNB	Positive
3	Back midline	Groin	Ilioinguinal TLND	Ipsilat. axilla	SLNB	Negative
4	Right back	Axilla	Axillary TLND	Contralat. axilla	SLNB	Positive
5	Back midline	Axilla	Axillary LLND	Contralat. axilla	SLNB	Positive
6	Introitus urethras	Groin	Inguinal TLND plus ipsilateral iliac SLNB	Contralat. groin	SLNB	Negative
7	Left little toe	Groin	Ilioinguinal TLND	Popliteal	SLN Not Found
8	Back midline	Axilla	Axillary TLND	Contralat. axilla	SLNB	Positive
9	Left epigastrium	Axilla	Axillary TLND	Parasternal	Not Exposed
10	Back midline	Backa	Excision with safety margin, ipsilat. axillary LLND	Contralat. backb	SLNB	Negative
11	Right shoulder	Supraclavicular modes	Supraclavicular LLND	Ipsilat. axilla	SLNB	Positive
12	Lumbar midline	Groin	Ilioinguinal TLND	Contralat. groin	SLNB	Negative
13	Sternum midline	Axilla	Axillary TLND	Contralat. axilla	SLNB	Negative
14	Umbilicus midline	Groin	Inguinal TLND	Contralat. Iliac nodes	SLNB	Negative
15	Back midline	Axilla	Axillary TLNDc	Contralat. axilla	SLNB	Negative

TLND therapeutic lymph node dissection, LLND less extended, atypical lymph node excision including macrometastasis and radioactive nodes, contralat. contralateral, ipsilat. ipsilateral, SLNB sentinel lymph node biopsy

^a11 o’clock in the “lithotomy position”

^bTriangular intermuscular space

^cAxillary dissection of levels I–II only