Lingual Abscess in an Adult Patient With Pierre Robin Sequence: A Case Report.

A lingual abscess is a rare but serious infection within the tongue parenchyma, posing significant risks due to potential airway obstruction. Despite advancements in oral hygiene and antibiotics, timely diagnosis and treatment are critical to prevent severe complications. In this case, we report a 29-year-old male with Pierre Robin sequence (PRS) who presented with a four-day history of severe tongue pain, swelling, decreased appetite, and fever, without any reported trauma. Examination revealed left-sided tongue swelling, poor oral hygiene, and notable Mallampati III classification. A neck CT scan confirmed an abscess in the left hemitongue involving the intrinsic and mylohyoid muscles, measuring 26.5 x 30 x 30.5 mm with a volume of approximately 8 cc. Prompt intravenous antibiotic treatment was initiated, leading to spontaneous abscess drainage and significant clinical improvement. The patient was discharged after five days of intravenous antibiotics and continued oral antibiotics. At one-week follow-up, he was asymptomatic and fully recovered. This case underscores the importance of recognizing the potentially life-threatening nature of lingual abscesses, particularly in syndromic patients like those with PRS, who may experience quicker airway obstruction due to craniofacial abnormalities, such as micrognathia and glossoptosis. Given the rarity of such conditions, awareness and readiness to address these emergencies are essential for ensuring patient safety and positive outcomes.