Clinical Findings
At the first visit to our department, we performed the Semmes-Weinstein monofilament test (SWMT), a noninvasive method of measuring tactile perception thresholds by monofilaments. This test revealed a threshold of 0.28 g on the right upper lip (Figure 1, 1-1) and 0.014 g on the right lateral nasal wing skin (Figure 1, 1-3). The thresholds of the healthy contralateral areas (Figure 1, 1-2 and 1-4) were both 0.008 g. The scores of the Japanese version of the Hospital Anxiety and Depression Scale (HADS)2 that was used to assess anxiety (HADS-A) and depression (HADS-D) were 9 and 6, respectively. No complaints of pain were reported.