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Brian P. Jacob, David C. Chen, Bruce Ramshaw, Shirin Towfigh (eds.) - The SAGES Manual of Groin Pain-Springer International Publishing (2016)

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Fig. 21.1. Material: A ballpoint pen and three permanent markers, black for normal<br />

sensation (isoesthesia), red for pain or tenderness (hyperesthesia), and blue<br />

for anesthesia, numbness, or discomfort (hypoesthesia). Each point is evaluated<br />

and marked as follows: ( a ) A circle in black for those who have a similar sensation<br />

to the reference para-umbilical point. ( b ) A cross in red for those points where the<br />

patient feels pain and/or hypersensitivity. ( c ) A minus in blue for those points <strong>of</strong><br />

anesthesia, hypoesthesia, or discomfort (superficial burning or numbness).<br />

Fig. 21.2. Dermatome<br />

mapping compatible with<br />

postoperative pain due to<br />

right ilioinguinal nerve<br />

involvement. DMC<br />

Dermatome Mapping<br />

Classification.

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