A benign neoplasm that involves the parathyroid gland. The disease is MONDO_0021463 (benign neoplasm of parathyroid gland). Also known as: benign neoplasm of parathyroid, benign neoplasm of the parathyroid, benign neoplasm of the parathyroid gland, benign parathyroid gland neoplasm, benign parathyroid gland tumor, benign parathyroid gland tumour, benign parathyroid neoplasm, benign parathyroid tumor.