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‘Carbuncle in diabetes’: a problem even today!
  1. Ranjitha Venkatesan1,
  2. Ramalakashmi Baskaran1,
  3. Adlyne Reena Asirvatham1,
  4. Shriraam Mahadevan2,3
  1. 1Sri Ramachandra University Medical College, Chennai, Tamil Nadu, India
  2. 2Department of Endocrinology, Sri Ramachandra Medical College, Chennai, Tamil Nadu, India
  3. 3Department of Endocrinology, Endocrine & Speciality Clinic, Chennai, Tamil Nadu, India
  1. Correspondence to Dr Shriraam Mahadevan, mshriraam{at}

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A 65-year-old man presented with fever and painful swelling at the back for last 2 weeks. His prior history was significant for long-standing type 2 diabetes of 20 years duration and systemic hypertension. Clinical examination showed red, swollen, painful carbuncle with gangrenous patch at the centre and multiple pus points (figure 1). Investigations revealed elevated white blood cell count with neutrophil predominance and high random blood sugar, 340 mg/dL …

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  • Contributors RV, RB: involved in diagnosis, management of the patient and manuscript preparation. ARA: manuscript preparation, literature review, patient management. SM: critical review of the manuscript, diagnosis and management of the patient.

  • Competing interests None declared.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.