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CORRESPONDENCE
Year : 2009  |  Volume : 27  |  Issue : 4  |  Page : 380-381
 

Calvarial tubercular osteomyelitic abscess


1 Department of Neurosurgery, Nizams Institute of Medical Sciences, Hyderabad - 500 082, India
2 Department of Microbiology, Nizams Institute of Medical Sciences, Hyderabad - 500 082, India

Date of Submission04-Feb-2009
Date of Acceptance10-Jun-2009
Date of Web Publication4-Sep-2009

Correspondence Address:
A Rajesh
Department of Neurosurgery, Nizams Institute of Medical Sciences, Hyderabad - 500 082
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0255-0857.55444

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How to cite this article:
Rajesh A, Purohit A K, Lakshmi V. Calvarial tubercular osteomyelitic abscess. Indian J Med Microbiol 2009;27:380-1

How to cite this URL:
Rajesh A, Purohit A K, Lakshmi V. Calvarial tubercular osteomyelitic abscess. Indian J Med Microbiol [serial online] 2009 [cited 2019 Sep 22];27:380-1. Available from: http://www.ijmm.org/text.asp?2009/27/4/380/55444


Dear Editor,

Tuberculosis which is quite common in developing countries is on an upsurge in developed countries in association with immune deficiency syndromes. Reid in 1842, described the first case of calvarial tuberculosis. [1] Raut et al ., reported in their study for a decade, 42 cases of calvarial tuberculosis confirming the rarity of tuberculous lesion in skull. [2]

This 29 year-old male, presented to us in April, 2008, with headache and scalp swelling over the left frontal region, treated with over the counter analgesics. The progressive increase in size of the swelling and non-remitting pain brought the patient to us. No history of trauma noted. The patient was afebrile on examination. Examination of the scalp showed a solitary, erythematous, slightly tender, fluctuant, non-pulsatile, non-mobile swelling of size 4 cm diameter. Laboratory investigations showed Hb - 12.6 g%, TLC - 5,000/mm 3 , DC - N70, L23, E4, M3, ESR- 24mm/hr, Mantoux - 20mm at 72 hours. Routine biochemical parameters were normal. Chest radiograph posterior-anterior view was normal [Figure 1]. A CT scan of brain showed a hyperdense mass lesion of left frontal bone [Figure 2],[Figure 3] of size 3.5cm x 2cm x 2cm located 0.5 cm anterior to left coronal suture, with erosion of both inner and outer tables of the skull and sub-galeal collection. Left fronto-temporal curvilinear incision and evacuation of pus, debridement of granulation tissue and removal of involved bone was performed. Histopathology showed granulomatous lesion with epitheloid cells. The pus was sent for Gram's staining, fungal staining, acid fast staining, aerobic, fungal and mycobacterial culture, for evaluation of abscesses alongwith histological examination. All the staining reports were negative and we could only grow mycobacterium in culture.

The patient was screened for HIV/ HBsAg/ HCV and routine hematological examination as per hospital protocol for pre-operative assessment which were within normal limits. Routine urine microscopy was normal. The patient had no history suggestive of immune disorders/ high risk behavior. No additional tests for immunological status assessment were performed considering a reactive Mantoux. Culture for Mycobacterium tuberculosis by BACTEC - 460 Tbsystem (Becton Dickinson, USA) using the 12 B vials, showed growth of M. tuberculosis at the end of 5 weeks. The patient was started on four drug anti-tubercular regime (INH, Rifampicin, Ethambutol and Pyrazinamide, as per RNTCP protocol). Follow-up after one month showed good healing of scar and repeat ESR was 12mm/hr. At a one year follow-up, the patient is doing well with no recurrence of the lesion.

Tuberculous involvement of calvarium is rare as compared to other osseous involvement. The flat bones of skull contain little cancellous bone and hence rarity of the involvement of skull. However, in the skull itself, it occurs more commonly in the frontal and parietal bones [2] which have greater bone marrow than the occipital bone. Trauma [4],[5] and tuberculosis of other sites [3] may/may not be associated with skull tuberculosis. Surgical curettage followed by anti- tuberculous drug therapy is the treatment of choice, having good prognosis.


 ~ Acknowledgment Top


Scientific contribution of Dr. A. Praveen and Dr. I. Dinakar is gratefully acknowledged.

 
 ~ References Top

1.Gupta H, Gupta S. Tuberculosis of the vault of skull. Ind J Tub. 1979; 26: 160-1.   Back to cited text no. 1    
2.Raut AA, Nagar AM, Muzumdar D, Chawla AJ, Narlawar RS, Fattepurkar S, et al . Imaging features of calvarial tuberculosis: A study of 42 cases. Am J Neuroradiol 2004;25:409-14.  Back to cited text no. 2    
3.Gupta PK, Kolluri VR, Chandramouli BA, Venkataramana NK, Das BS. Calvarial tuberculosis: a report of two cases. Neurosurgery 1989;25:830-3.  Back to cited text no. 3    
4.Rao RR, Gayathri K, Ranganadham P, Dinakar I. Culture positive tuberculous osteitis of the skull - A case report. Neurol India 1989;37;142.  Back to cited text no. 4    
5.Rajmohan BP, Anto D, Alappat JP. Calvarial tuberculosis. Neurol India 2004;52:278-9.  Back to cited text no. 5  [PUBMED]  Medknow Journal


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  [Figure 1], [Figure 2], [Figure 3]



 

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