SYNCHRONIC CARCINOMAS CUNICULATUM IN THE MAXILLA - A CASE REPORT

Carcinoma cuniculatum (CC) is a rare malignant neoplasm. A 66-year-old female patient presented with asymptomatic gingival swelling in the left maxilla associated with whitish pasty secretion with 3-month duration. The patient denied smoking habits and alcohol consumption and reported a recent surgical procedure in the region. At extraoral examination, there were no palpable lymph nodes. Intraoral examination revealed multiple papules in the posterior vestibular gingiva. Incisional biopsy was performed, and the histopathologic diagnosis was CC. The treatment consisted of surgical resection. After 2 months, the patient presented a swelling in the anterior region of the palatal mucosa, with secretion drainage similar to keratin. The biopsy was performed, and the histopathologic examination also rendered the diagnosis of CC. After excision, the affected area was submitted to 33 section of intensity-modulated radiation therapy (IMRT) accounting for 66 Gy. The patient remains under follow-up with no signs of recurrence.