AACE clinical case reports · 2019
An atypical presentation of diabetic myonecrosis.
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Galeano-Valle Francisco, Benito-Martinez Estela, Álvarez-Sala-Walther Luis, Oprea-Ilies Gabriela, Umpierrez Guillermo E, Pasquel Francisco J
Аннотация
OBJECTIVE: Diabetes myonecrosis, also called diabetic muscle infarction (DMI), is a rare complication of diabetes. Given its rarity, our understanding of the underlying causes or the optimal management of DMI cases remains unclear.
METHODS: We report on a patient who experienced 2 episodes of DMI and we also review the literature.
RESULTS: A 46-year-old male with longstanding type 2 diabetes mellitus with multiple microvascular complications presented with acute-onset painful right thigh induration. On physical examination, he had right thigh swelling, tenderness, and crepitus. Blood tests showed leukocytosis, elevated creatine phosphokinase, and elevated acute-phase reactants. Microbiological cultures were negative. Glycated hemoglobin was 6.4% (46 mmol/mol). Magnetic resonance imaging demonstrated T2 hyperintensity involving the quadriceps group. The clinical and laboratory signs suggested a muscle infection. A muscle biopsy was suggestive of DMI. Eleven months later, the patient presented again with a 4-week history of left thigh pain and weakness in both legs. On examination, he had bilateral thigh anterior tenderness without evidence of swelling or induration. He also had marked bilateral proximal motor deficiency and inability to stand or ambulate. Despite a different clinical presentation, imaging features were consistent with DMI. The patient was managed with conservative therapy. His strength improved significantly after 3 months of follow up.
CONCLUSION: The typical clinical presentation of DMI includes unilateral acute-onset pain in the quadriceps, local swelling, and the appearance of a palpable painful mass. The second episode in our patient illustrates an atypical clinical presentation of DMI and shows the importance of the correlation of clinical and imaging findings for the diagnosis of DMI.
METHODS: We report on a patient who experienced 2 episodes of DMI and we also review the literature.
RESULTS: A 46-year-old male with longstanding type 2 diabetes mellitus with multiple microvascular complications presented with acute-onset painful right thigh induration. On physical examination, he had right thigh swelling, tenderness, and crepitus. Blood tests showed leukocytosis, elevated creatine phosphokinase, and elevated acute-phase reactants. Microbiological cultures were negative. Glycated hemoglobin was 6.4% (46 mmol/mol). Magnetic resonance imaging demonstrated T2 hyperintensity involving the quadriceps group. The clinical and laboratory signs suggested a muscle infection. A muscle biopsy was suggestive of DMI. Eleven months later, the patient presented again with a 4-week history of left thigh pain and weakness in both legs. On examination, he had bilateral thigh anterior tenderness without evidence of swelling or induration. He also had marked bilateral proximal motor deficiency and inability to stand or ambulate. Despite a different clinical presentation, imaging features were consistent with DMI. The patient was managed with conservative therapy. His strength improved significantly after 3 months of follow up.
CONCLUSION: The typical clinical presentation of DMI includes unilateral acute-onset pain in the quadriceps, local swelling, and the appearance of a palpable painful mass. The second episode in our patient illustrates an atypical clinical presentation of DMI and shows the importance of the correlation of clinical and imaging findings for the diagnosis of DMI.