What exactly are these lesions and how should they be treated?

Annular serpiginous lesions with reduced sensation A man presents with three annular lesions which have central areas of diminished sensation. What exactly are these lesions and how should they be treated? Over a two-yr period, a 54-year-old missionary created on his trunk three persistent, annular lesions calculating up to 5 cm in size http://www.prednisonetablets.com . Each lesion got an elevated, oedematous, serpiginous border that had migrated slowly, leaving a central pale region that had diminished feeling . Epidermis biopsy from the annular border revealed multiple dermal granulomas with admixed lymphocytes and occasional plasma cells. Nerves in the deep dermis were inflamed .