Painless Peri-Tonsillar Abscess in a Pediatric Patient: Case Report and Review of the Literature
A B S T R A C T
Crohn’s disease is an immune mediated inflammatory disease that affects the gastrointestinal tract anywhere from the oral cavity proximally, to the anus distally. A large number of patients with Crohn’s disease may present with a multitude of oropharyngeal manifestations, such as mucositis, granulomas and ulcerations. Infliximab, a monoclonal antibody that binds to TNFα, is a treatment modality used in the management of Crohn’s disease. 10% to 30% of patients with Crohn’s disease develop intra-abdominal abscesses in the course of the disease, a finding that is much less common in oropharyngeal manifestations. We herein present the case of a painless peri-tonsillar abscess in a patient with Crohn’s disease maintained on infliximab that required surgical drainage as means of treatment. To our knowledge, this is the first case demonstrating such a finding in a patient that is maintained on infliximab.
Keywords
Crohn’s, Infliximab, Peri-tonsillar abscess
Case Report
A 7-year-old female patient with a history of Crohn’s disease diagnosed in March 2018 and maintained on infliximab for 2 months (5mg/kg/month), presented to the ER for a 5-day history of trismus and right mouth deviation with jaw opening. She was scheduled for her third dose of infliximab 3 days prior to presentation, but treatment was postponed due to findings of a single episode of low-grade fever 38℃ and a resolved odynophagia, suggestive of viral upper respiratory tract infection. Rapid strep test was done at that time and was negative. She denies a history of rhinorrhea, postnasal drip, chills, dysphagia, cough, and TMJ dislocation, but reports a history of possible left soft palate bulge 1 year ago, that resolved spontaneously with fluid outflow into the oral cavity, suspicious of left ruptured peritonsillar abscess.
Vital signs on presentation were unremarkable; Heart rate was 98 bpm, BP 116/75 mmHg, and temperature 36.9℃, knowing that no antipyretics were given at home. On physical examination of the oral cavity, no soft palate bulge was seen, the uvula was midline, the tonsils were non erythematous, non-edematous and non-exudative, however a discrepancy in their size was observed, with a grade 3 tonsil on the left, and a grade 1 on the right. Right mouth deviation was observed only with jaw opening, with no TMJ dislocation palpated or tenderness. Laboratory investigations revealed a white blood cell count of 8600 /cu.mm, PMN 46 %, along with an erythrocyte sedimentation rate of 23 mm/hr, and C reactive protein of 22 mg/L. A decision was then taken to subject the patient to a CT scan of the neck with IV contrast, which revealed a 1.4 x 1.6 x 1.7 cm left peritonsillar abscess (Figure 1). Her case was reviewed with her gastroenterologist and her pediatrics infectious disease physician, who agreed to a diagnosis consistent with infliximab instigated painless peritonsillar abscess.
The patient was then started on ceftriaxone 75 mg/kg/day and clindamycin 40mg/kg/day. After a multidisciplinary meeting, the gastroenterologist did not want to delay the infliximab treatment while waiting for the IV antibiotics to take effect, so the decision was made to take the patient down to the operating room the next day, where the otolaryngologist performed a left tonsillectomy and evacuation of left peritonsillar abscess. Intraoperative cultures, gram stain and blood cultures were all negative, however, bacterial identification by 16S DNA sequencing yielded Fusobacterium nucleatum. The left tonsillar specimen was sent to pathology and was consistent with follicular lymphoid hyperplasia, 3 x 2 x 1.5 cm in size.
Figure 1: Left peri-tonsillar abscess with rim enhancement.
Post operatively the patient had a resolved trismus and recovered smoothly without any complications. The mouth deviation, however, was still present, and the patient was discharged on post-operative day 5 and asked to follow up with otolaryngology. Follow up in clinics one month later showed complete resolution of the mouth deviation.
10% to 30 % of patients with Crohn’s disease will develop abdominal or pelvic abscesses during the course of their illness, originating from micro-perforations and inflammatory changes of the affected bowels, eventually requiring medical, image guided, or surgical therapy [1]. Oropharyngeal manifestations of Crohn’s disease have been first described in 1969 by Dudeney et al. [2]. Affected patients might present with lip or buccal swelling, ulcerations, angular cheilitis, cobblestoning, granulomatosis, and gingival hyperplasia [3, 4]. Currently, there are no studies in the literature that describe painless peritonsillar abscess, let alone in patients with a history of Crohn’s disease.
Infliximab is a monoclonal antibody that binds to TNFα, one of the major pro inflammatory cytokines, decreasing its endogenous activity in the body. In Crohn’s disease, its onset of action is at 8 to 12 weeks, possesses a half-life of 7 to 10 days and has a duration of action extending over several months [5]. To our knowledge, infliximab has not been previously associated with the formation of peritonsillar abscesses, however it has been reported by Nithianandan et al. as a causative agent for a large paraspinal abscess extending to the epidural space in one of the patients with a history of Crohn’s disease. [6].
On the other hand, Bao et al., reported a case of an 18-year-old lady with advanced Crohn’s disease that presented with a flare up of her condition and bilateral tonsillitis with intratonsillar abscess formation, that improved on infliximab infusion, achieving complete resolution over a period of 5 months [7]. In addition, tonsillar granuloma as a manifestation of Crohn’s disease was identified by Turchi et al. in a previously undiagnosed patient with positive findings on colonoscopy and biopsy [8]. Cardoso et al. also described the treatment of oropharyngeal Crohn’s disease with infliximab. [9]. We postulate that due to its anti-inflammatory effects, infliximab incited a painless peritonsillar abscess, and that the patient was unlikely to improve without surgical intervention, knowing the nature of the pathology stated and the subsequent risks it poses.
Conclusion
In conclusion, patients with oropharyngeal manifestations of Crohn’s disease should be carefully evaluated and assessed, and the treatment should be tailored according to the patients’ condition, taking into consideration the medication used for disease maintenance and its potential side effects.
Article Info
Article Type
Case Report and Review of the LiteraturePublication history
Received: Mon 23, Mar 2020Accepted: Wed 15, Apr 2020
Published: Sat 18, Apr 2020
Copyright
© 2023 Randa Barazi. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Hosting by Science Repository.DOI: 10.31487/j.JSO.2020.02.04
Figures & Tables
References
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