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Table of Contents
LETTER TO THE EDITOR
Year : 2012  |  Volume : 16  |  Issue : 7  |  Page : 123-124

Recurrent insulin injection abscesses: Atypical etiology


1 Department of Endocrinology, Command Hospital, Lucknow, Uttar Pradesh, India
2 Department of General Surgery, Command Hospital, Lucknow, Uttar Pradesh, India

Date of Web Publication24-Mar-2012

Correspondence Address:
K. V. S. Hari Kumar
Department of Endocrinology, Command Hospital, Lucknow - 226 002, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2230-8210.94242

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How to cite this article:
Kumar KH, Banga P K, Bansal R, Kalia R. Recurrent insulin injection abscesses: Atypical etiology. Indian J Endocr Metab 2012;16, Suppl S1:123-4

How to cite this URL:
Kumar KH, Banga P K, Bansal R, Kalia R. Recurrent insulin injection abscesses: Atypical etiology. Indian J Endocr Metab [serial online] 2012 [cited 2020 Feb 17];16, Suppl S1:123-4. Available from: http://www.ijem.in/text.asp?2012/16/7/123/94242

Sir,

A 63-year-old man with type 2 diabetes presented with a 2-month history of swellings and discharge over his thighs and abdomen at the injection sites of insulin. He was using glargine insulin for the past one year, once daily at night time, with vial and syringe. He used to change the syringe once in 3 days and follow the storage guidelines for the insulin.. His previous glycemic control was poor with evidence of microvascular and macrovascular complications and HbA1c of 10.2%. Clinical examination revealed normotensive individual with multiple subcutaneous abscesses over anterior abdominal wall and thighs [Figure 1]a and b. Pus drained from the abscesses did not stain any organism on Gram's stain and no organism was grown after 7 days culture in agar medium. The patient was treated initially with beta lactam antibiotics and cephalosporins without any improvement.
Figure 1: Insulin site abscesses over anterior abdominal wall (a) and thighs (b)

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Repeat staining with Ziehl-Neelsen stain showed the presence of alcohol fast bacilli (AFB) and prolonged culture led to the isolation of the pathogen. Recurrent abscesses coupled with negative cultures led to the possibility of atypical organism. Positive AFB staining and culture characteristics of the bacteria confirmed the diagnosis of Mycobacterium chelonae as the underlying etiology of injection abscesses. Cultures from the tip of insulin syringe needles and insulin from the bottle did not reveal presence of this organism. He was treated with clarithromycin (500 mg thrice daily) and lineozolid (600 mg twice daily) for 8 weeks. The abscesses healed completely without any recurrence.

M. chelonae is an atypical mycobacterium and is classified under rapid growers (Group IV of Runyon's classification). [1] The organism is present ubiquitously in the environment and is difficult to culture. Cutaneous infections are seen in immunocompetent individuals and disseminated disease in immunocompromised patients. The portal of entry commonly is skin, leading to cellulitis, granulomas, nodules, ulcers, and abscesses. [2] Disseminated infections lead to deep-seated infections like osteomyelitis, endocarditis, meningitis, and keratitis. M. chelonae is not amenable to antitubercular therapy and is sensitive to clarithromycin, linezolid, and ciprofloxacin. [3] Deep-seated infections require parenteral mode of therapy in addition to use of imipenem in resistant cases. To conclude, our case highlights the need to look for atypical organisms in cases of recurrent insulin injection site abscesses.

 
   References Top

1.Kane CL, Vincent AL, Greene JN, Sandin RL. Disseminated cutaneous Mycobacterium chelonae infection. Cancer Control 2000;7:181-4.   Back to cited text no. 1
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2.Kelley L, Deering K, Kaye E. Cutaneous Mycobacterium chelonei presenting in an immunocompetant host: Case report and review of the literature. Cutis 1995;56:293-5.  Back to cited text no. 2
    
3.Finucane K, Ambrey P, Narayan S, Archer CB, Dayan C. Insulin injection abscesses caused by Mycobacterium chelonae. Diabetes Care 2003;26:2483-4.  Back to cited text no. 3
[PUBMED]  [FULLTEXT]  


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