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Neonatal orbital abscess

Al-Salem, Khalil M; Alsarayra, Fawaz A; Somkawar, Areej R

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Indian Journal of Ophthalmology: March 2014 - Volume 62 - Issue 3 - p 354-357
doi: 10.4103/0301-4738.116447
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Abstract

Neonatal orbital abscess is extremely rare, it may be caused by dacryocystitis,[123] tooth bud abscess,[4] and ethmoidal sinusitis. Poor outcome such as blindness, intracranial complications, or even death has been reported.[15] Surgical drainage is generally recommended in cases of subperiosteal or intraorbital abscess.[1] However, some reports have documented CT evidence of subperiosteal orbital abscesses that was not found at the time of surgery, and it was suggested that the condition might be treated successfully by antibiotics alone.[6]

Case Report

A 28-days-old female, a product of normal vaginal delivery, weight (3.5 KG), presented with 2 days history of severe right eye proptosis, fever (100.6 F) following an upper respiratory tract infection. The baby was on breast feeding since birth. No maternal history of sexual transmitted disease, and the pregnancy was uneventful.

Ocular examination showed severe right eye proptosis, minimal swelling of both upper and lower eyelids [Fig. 1]. There was extra-ocular motility restriction in all gazes. She had normal pupil and fundus exams . CT scan showed a poorly-defined, retrobulbar, slightly hypodense mass extending to the preseptal space, displacing the right medial rectus and reaching up to the superior rectus. The ethmoidal air spaces were inflamed. [Fig. 2] White blood cell count was (19,200/mm3). Blood culture was negative for bacteria.

Figure 1
Figure 1:
28-day-old girl with right eye proptosis and retriction of EOM
Figure 2
Figure 2:
CT scan showed a poorly defined, retrobulbar, slightly hypodense mass extending to the preseptal space, displacing the right medial rectus and reaching up to the superior rectus. Ethmoidal air cells are inflamed

A diagnosis of right orbital cellulites with a medial orbital abscess was made, and the patient was started on intravenous cefotaxime, ampicillin, and metronidazole in anticipation for surgical intervention. However, spontaneous drainage occurred prior to surgery. Proptosis of the right eye resolved in the following 5 days along with the fever.

Cultures were positive for Staphylococcus aureus sensitive to methicillin. On the 6th day, motility and the upper eyelid retraction improved tremendously [Fig. 3]. After 14 days of intravenous antibiotics, the abscess completely resolved, along with the eyelid retraction [Fig. 4].

Figure 3
Figure 3:
1 week after treatment. A small sinus is apparent in the lower eyelid, draining of the pus in the orbit
Figure 4
Figure 4:
3 weeks after treatment. Complete resolution of the abscess along with the eyelid retraction

Comments

Neonatal orbital abscess is extremely rare, it may be caused by dacryocystitis,[123] tooth bud abscess,[4] and ethmoidal sinusitis. Eighteen cases are summarized in [Table 1].

Table 1
Table 1:
The table contains the literature review and summary of 18 neonatal orbital abscesses cases

The number one cause of orbital abscess was ethmoiditis (confirmed in 7 cases by CT), congenital Dacryocystitis (3 cases), and tooth bud infection (1 case).

Staphylococcus aureus was virtually isolated from all cases, except for case 5; diplococcus pneumonia was isolated, the case is atypical as the biopsy showed a choristoma-like lesion lined by a well-differentiated, multi-layered, non-keratinizing epithelium with goblet cells and filled with inflamed stroma with ectopic lacrimal gland tissue.[5] Aspergilous[12] and streptococcus[8] has been reported as concomitant infections with Staphylococcus aureus. Nevertheless, orbital neonatal abscess secondary to methicillin-resistant Staphylococcus aureus (MRSA) has been reported after 2005, and it needs to be kept in mind while giving the proper antibiotics on presentation.[3714]

Empirical choice of antibiotics should cover methicillin-resistant Staphylococcus aureus; being the most common organism isolated from neonatal orbital abscess after 2005 as shown in [Table 1]; so it will be a good choice to use vancomycin, nafcillin, ampicillin, and first generation cephalosporin. From [Table 1], it is appreciated that many case reports mentioned adding an antibiotic or replacing one because of the culture sensitivity test results; vancomycin being the most common antibiotic added.

Neonatal orbital cellulitis has high probability for abscess formation since 15 cases ended up with abscess (cases 1, 2, 4-7, and 9-17). Case 3 could not be fully characterized; case 8 and 18 were labeled as cellulitis. Surgical treatment is the preferred line of management in the presence of a collection on CT scan; 13 cases out of 15 were treated surgically when abscess formation was suspected or confirmed by CT scan. Our case is unique for the spontaneous drainage, which occurred one day before the scheduled operation date.

Finally, from [Table 1], it is clear that there is little information on extraocular motility and eyelid retraction as only 4 cases had restriction of extra-ocular motility,[4567] and only two had eyelid retraction.[58] It is worth noting that Klusmann[8] reported permanent lagophthalmia in a 10-day-old neonate, which had some residue after 2 months of treatment. In our case, the girl had eyelid retraction, which resolved spontaneously after successful treatment.

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2. Mohan E, Chandravanshi S, Udhay P. Retrobulbar orbital abscess secondary to dacryocystitis in a neonate Ophthal Plast Reconstr Surg. 2007;23:238–40
3. Rutar T. Vertically acquired community methicillin-resistant Staphylococcus aureus dacryocystitis in a neonate J AAPOS. 2009;13:79–81
4. Green LK, Mawn LA. Orbital cellulitis secondary to tooth bud abscess in a neonate J Pediatr Ophthalmol Strabismus. 2002;39:358–61
5. Maruszczak D, Krarup JC, Fledelius HC. Orbital abscess in two neonates, deriving from conjunctival malformations Acta Ophthalmol (Copenh). 1979;57:643–8
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7. Anari S, Karagama YG, Fulton B, Wilson JA. Neonatal disseminated methicillin-resistant Staphylococcus aureus presenting as orbital cellulitis J Laryngol Otol. 2005;119:64–7
8. Klusmann A, Engelbrecht V, Unsöld R, Hassler W, Gärtner J. Retrobulbar abscess in a neonate Neuropediatrics. 2001;32:219–20
9. Burnard ED. Proptosis as the first sign of orbital sepsis in the newborn Br J Ophthalmol. 1959;43:9–12
10. Saunders MW, Jones NS. Periorbital abscess due to ethmoiditis in a neonate J Laryngol Otol. 1993;107:1043–4
11. Charramendieta EZ, Monasterolo RC. Ethmoidal sinusitis during the neonatal period An Esp Pediatr. 1997;46:79–80
12. Reddy SC, Sharma HS, Mazidah AS, Darnal HK, Mahayidin M. Orbital abscess due to acute ethmoiditis in a neonate Int J Pediatr Otorhinolaryngol. 1999;49:81–6
13. Fluss J, Pósfay-Barbe K, Rossillion B, Rilliet B, Suter S. An unusual intraorbital abscess in a neonate J Pediatr Ophthalmol Strabismus. 2002;39:295–7
14. Rogers GA, Naseri I, Sobol SE. Methicillin-resistant Staphylococcus aureus orbital abscess in a neonate Int J Pediatr Otorhinolaryngol Extra. 2007;2:99–101

Source of Support: Nil.

Conflict of Interest: None declared.

Keywords:

Eyelid retraction; orbital infection; orbital neonatal abscess; neonatal abscess

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