Other causes of finger lumps. An infection may produce one or more finger lumps in the form of a localized abscess or as an enlargement of lymph nodes near the affected body region. Infectious causes of finger lumps include: Abscesses. Boils. Cellulitis (infection of the skin and underlying tissues). Herpes virus infections.
Definition of Instep. 1. Noun. (anatomy) The arched part of the top of the foot between the toes and the ankle. Â¹. 2. Noun. A section of any footwear covering that part of the foot.
Symptoms consist of a painful mass on the bottom of the foot, roughly in the middle of the arch or instep, between the heel pad and the forefoot pad. The mass will cause a soft convexity in the contour of the bottom of the foot that may be painful with pressure or shoewear.