Abstract
We present 2 cases of penile cancer in which the inguinal lymph node was not palpable and inguinal lymph node dissection (ILND) could be safely avoided by conducting dynamic sentinel lymph node biopsy (DSNB). The first case was in a 54-year-old man complaining of penile tumor for at least 3 months. We performed partial penectomy and DSNB. The pathological diagnosis was squamous cell carcinoma (SCC), pT2-3. There was no cancer metastasis in sentinel nodes (0/2). There has been no recurrence for 6 years after operation. The second case was 65-year-old man suffering from penile tumor for at least 6 months. We performed partial penectomy and DSNB. The pathological diagnosis was SCC,pT2. There was no cancer metastasis in sentinel nodes (0/3). There has been no recurrence for 1 year after operation. ILND has been recommended for intermediate and high-risk penile cancer even in patients with non-palpable inguinal lymph nodes. However,the complication of ILND is very high. DSNB has the potential to avoid ILND if there is no cancer metastasis in sentinel nodes.
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