Year: 2016
Type: article
Study design: Case Report
Abstract: A 36-year-old man had been diagnosed with type 2 diabetes and put on twice daily premixed insulin for severe hyperglycaemia and osmotic symptoms about 3 months prior to his presentation to us. He was injecting himself with U-40 insulin syringe subcutaneously over anterior abdomen with proper technique and regular rotation of the injection sites. After about 2 months after starting insulin he had noticed multiple firm nodules appearing over the injection sites. The nodules were painless, became fluctuant over the course of time and used to burst spontaneously with discharge of pus. He had been put on several courses of oral antibiotics over the previous 2 months without any symptomatic relief. Some of the swellings required incision and drainage of the underlying pus. Gram stain and both aerobic and anaerobic culture of the drained pus were negative on multiple occasions.
A thorough systemic examination did not reveal any abnormality. Complete blood count including erythrocyte sedimentation rate was normal. Mantoux test with 5 tuberculin unit was negative. Histopathological examination of the scrapings from abscess wall revealed …
Source: BMJ Case Reports
Language: English
Subfield: Infectious Diseases
Field: Medicine
Domain: Health Sciences
Open Access status: bronze
OpenAlex ID: W2551996162