PMC3138053_01
PMC3138053_02
Enlarged tubercle of Zuckerkandl (Case 1) placed between the trachea and the left RLN. The distal part of the RLN was displaced laterally.
CRIM2011-303861.001.jpg
PMC3138053_02_CRIM2011-303861.001.jpg
fig1
We observed that distal parts of these RLNs were displaced laterally by posterior extensions of the thyroid lobes (Figures 1 and 2).
A grade 3 Zuckerkandl's tubercle (Case 2) displaced the right RLN laterally.
CRIM2011-303861.002.jpg
PMC3138053_02_CRIM2011-303861.002.jpg
fig2
We observed that distal parts of these RLNs were displaced laterally by posterior extensions of the thyroid lobes (Figures 1 and 2).
After freeing the tubercle of Zuckerkandl and Berry ligament, the RLN returned back to its usual position in trachea-esophageal groove.
CRIM2011-303861.003.jpg
PMC3138053_02_CRIM2011-303861.003.jpg
fig3
After freeing the tubercles and excising the Berry ligament (posterior suspensor ligament of the gland), the RLNs returned back into trachea-esophageal groove (Figure 3).