Journal of Global Infectious Diseases

CASE REPORT
Year
: 2014  |  Volume : 6  |  Issue : 3  |  Page : 125--127

Infantile maxillary sinus osteomyelitis mimicking orbital cellulitis


Nagarajan Krishnan1, Nathan Ramamoorthy2, Suresh Panchanathan2, Jothiramalingam S Balasundaram3,  
1 Department of Radiology, Chettinad Hospital & Research Institute, Kanchipuram, Tamil Nadu, India
2 Department of Pediatrics, Chettinad Hospital & Research Institute, Kanchipuram, Tamil Nadu, India
3 Department of Otorhinolaryngology, Chettinad Hospital & Research Institute, Kanchipuram, Tamil Nadu, India

Correspondence Address:
Nagarajan Krishnan
Department of Radiology, Chettinad Hospital & Research Institute, Kanchipuram, Tamil Nadu
India

Abstract

Periorbital soft tissue swelling may result due to primary orbital pathology or from adjacent facio-maxillary or sino-nasal inflammatory causes. Osteomyelitis of maxilla in the pediatric age group is a rare entity in this era of antibiotics. We present an 11-month-old female infant who was brought with peri-orbital selling and purulent nasal discharge. Computed Tomography showed erosions of the walls of maxillary sinus suggestive of osteomyelitis. Culture of sinus scraping showed Staphylococcus aureus growth and the child improved with intravenous cloxacillin therapy. This case is presented due to the rarity of its presentation in this age group and for awareness to consider this entity in children having fever and peri-orbital swelling.



How to cite this article:
Krishnan N, Ramamoorthy N, Panchanathan S, Balasundaram JS. Infantile maxillary sinus osteomyelitis mimicking orbital cellulitis.J Global Infect Dis 2014;6:125-127


How to cite this URL:
Krishnan N, Ramamoorthy N, Panchanathan S, Balasundaram JS. Infantile maxillary sinus osteomyelitis mimicking orbital cellulitis. J Global Infect Dis [serial online] 2014 [cited 2021 Jan 27 ];6:125-127
Available from: https://www.jgid.org/text.asp?2014/6/3/125/138511


Full Text

 INTRODUCTION



Orbital complications of sinusitis were described first by Hubert in 1937 [1] and modified by Chandler et al in 1970 [2] as

Inflammatory edema,Orbital cellulitis,Subperiosteal abscess,Orbital abscess andCavernous sinus thrombosis.

Periorbital cellulitis with preseptal involvement and lid edema caused by faciomaxillary inflammatory process has to be differentiated from postseptal orbital involvement by imaging, as the prognosis is considered less favorable with the latter. [3],[4] Although clinical signs of orbital involvement like proptosis and/or pain or limitation of extraocular movements are suggestive of orbital post-septal involvement, Computed Tomography (CT) has emerged as imaging modality of choice for their differentiation. [5],[6]

However, bony involvement of the sinus walls leading to osteomyelitis is rare. Osteomyelitis of maxilla in infants as an entity has been reported in pre-antibiotic days. The last published cases of osteomyelitis of maxilla in infants were in 1990s. [7],[8] The reported cases were due to extension of local infection from the paranasal sinuses or odontogenic in origin. There was preponderance of cases in children, but the sparse literature of these cases was noted as early as in 1959 by Lieberman and Brem. [9] They described a "syndrome of acute osteomyelitis of superior maxilla in early infancy" presenting with a train of symptoms and signs, usually ophthalmological or sino-nasal. Most of the cases were due to the organism Staphylococcus aureus and appropriate antibiotic therapy was used. [10] The complications include ophthalmological, airway involvement, odontogenic and death. [11]

 CASE REPORT



The present case report is about an 11-month-old female infant was brought with peri-orbital swelling, mild conjunctival congestion and fever. The child was normal in weight and growth parameters for age. Her developmental milestones were upto her age. Immunization history was upto date, but she had suffered from fever with skin rashes 2 weeks before her presentation, which was suggestive of chicken pox. The child had left peri-orbital swelling with induration and tenderness. Mild conjunctival congestion was noted. Purulent nasal discharge was noted and nasal examination showed necrotic material at the left lateral nasal wall. Clinical diagnosis was that of orbital cellulitis probably due to sinusitis and CT was suggested to look for the extent of orbital involvement and rule out the possibility of complications like cavernous sinus thrombosis. The child was started on loading dose of intravenous antibiotics and referred for CT.

Plain CT was done using multi-slice (6-slice CT) (Brilliance 6, Slice collimation 6 × 1.5 mm, Table feed 1.5 mm, reconstruction thickness 2 mm). CT sections showed near-complete opacification of left maxillary and ethmoid sinuses with irregularity and erosions of the bony walls of maxillary sinus [Figure 1]. No sclerotic focus of sequestrum noted. There was gross left orbital preseptal, zygomatico-maxillary and naso-frontal soft tissue swelling extending upto the frontal scalp. However, no asymmetric swelling of extra-ocular muscles, or intra-conal fat stranding was noted to suggest involvement of post-septal compartment of left orbit. No orbital wall erosions or subperiosteal thickening/collections noted. No cavernous sinus enlargement or convexity noted. In view of erosions of the maxillary sinus walls and absence of cavernous sinus prominence, contrast CT study was deferred. {Figure 1}

Culture from the necrotic material of lateral nasal wall revealed S. aureus growth. The child was started on intravenous antibiotics - cloxacillin 50 mg/kg intravenously every 6 th hourly and ceftriaxone 75 mg/kg for 5 days - and started showing improvement in the form of decrease in peri-orbital swelling and purulent nasal discharge. The antibiotic regimen was continued for another 5 days followed by oral amoxicillin with clavulanic acid (15 mg/kg) 8 th hourly for the next 2 weeks. She was discharged on 10 th day with only minimal peri-orbital swelling, which also resolved on subsequent follow-up.

 DISCUSSION



The presence of peri-orbital swelling of recent or sudden onset in the pediatric age group needs to be appropriately investigated by laboratory and radiological work-up to rule out possibility of infective lesions or their complications like the cavernous sinus thrombosis. Local infective foci in the paranasal sinuses or pharyngitis can extend to involve the orbit producing orbital cellulitis or more seriously lead to the cavernous sinus thrombo-phlebitis resulting in orbital congestion and swelling. However, the involvement of bony maxilla by osteomyelitis was rare, even in the pre-antibiotic era. [9]

The first reported cases of osteomyelitis of jaws in infants were by Wilensky in 1932. [12] He described such cases in the age group of 2 to 10 weeks and 80 % of them were <2 months of age. He hypothesized the pathogenesis as hematogenous origin localizing in the maxillary sinus due to its greater volume and susceptibility to air-borne infections. The last reported case by Loh and Ling in 1993 was also in the infantile age group.

Our case showed good response to intravenous antibiotic regimen started with cloxacillin and ceftriaxone combination and continued for 10 days as culture showed sensitivity for the same. Recent reports of orbital cellulitis in infants have shown S. aureus and Streptococcus anginosus as the common pathogens leading to complications of sinusitis. [13],[14],[15] Antibiotic treatment is usually successful in the absence of post-septal involvement in this age group. [5]

In a recent review of 84 cases of osteomyelitis in the head and neck in all age groups over a period of 10 years, Prasad et al [16] found 10 cases of maxillary involvement, out of which, three each were due to sinusitis and odontogenic infections, and remaining four cases were of radiation-induced osteoradionecrosis. There is also predisposition of diabetics to develop maxillary osteomyelitis. [17] In another review of osteomyelitis of the jaw in West African population, Khullar et al. [18] found only six cases of osteomyelitis of maxilla out of the total 60 cases of osteomyelitis involving both jaw bones (maxilla and mandible). They ascribed various factors such as genetic, toxic and environmental apart from the infective etiology. The involvement of the maxilla is considerably less than the mandible and factors like aeration of the sinus, good vascularity and strut-like parts are possible reasons for the rarity of its involvement. [19]

In the present case, the child was otherwise healthy and upto date in her immunizations though the suggestive history of chickenpox 2 weeks prior to her presentation could possibly be the triggering factor. Post-varicella staphylococcal infections have been noted, commonly in the chest and rarely in the musculo-skeletal system. [20] This case illustrates the need for awareness of this entity so that appropriate antibiotic therapy may be instituted early in the course to avoid morbid complications.

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