article_metadata: Takumi Okuda Shinsuke Ide Kei Kajihara Tetsuya Tono
article_metadata: 10.1155/2021/7139280
article_metadata: Case Rep Otolaryngol
article_metadata: 2021 Sep 30;2021:7139280.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/34631188/
article_metadata: Case Reports
article_metadata: PMC8497148
article_metadata: 34631188
article_metadata: A Case of Amelanotic Malignant Melanoma of the Lingual Base That Was Diagnosed Based on a Biopsy of Late Metastasis to a Lumbar Vertebra after Being Misdiagnosed as HPV-Positive Oropharyngeal Anterior Wall Squamous Cell Carcinoma
article_metadata: 2021