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A 47-year-old woman was admitted to the hospital for the third time because of a painful, red swelling of the right foot.
Nine months before the third admission, the patient had awoken during the night because of pain in the lower left leg; she suspected that she had been bitten by an insect, possibly a spider. The area became erythematous with draining pustules; a culture yielded rare colonies of coagulase-negative Staphylococcus aureus. Cephalexin and amoxicillinclavulanic acid were ineffective, and the lesion worsened. The temperature rose to 37.9°C, with chilliness and sweats, and the patient was admitted to this hospital.
The
Differential Diagnosis
General Characterization of the Skin Lesion
Pyoderma Gangrenosum
Clinical Types
Associated Diseases
Pathogenesis
Therapy
Conclusions
Clinical Diagnoses
Dr. Harley A. Haynes's Diagnosis
Pathological Discussion
Anatomical Diagnosis
References
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