Neglect leads to extremes: maggots and malignancy in a case of discoid lupus erythematosus

Lupus. 2016 Jan;25(1):97-101. doi: 10.1177/0961203315603145. Epub 2015 Sep 7.

Abstract

Discoid lupus erythematosus (DLE) is a chronic form of cutaneous lupus erythematosus that runs an indolent course. The rare complications of DLE include scarring, mutilation, non-healing ulceration, cicatricial alopecia and malignancy. DLE progresses to systemic lupus erythematosus (SLE) in around 5% of localized cases and 22% of generalized cases. We report a case of DLE, presenting with a six-month history of ulcerated fungating plaques and small crusted nodules superimposed on DLE plaques over both the forearms. Two weeks prior to the presentation, maggots were also noticed on these plaques. Skin biopsies from these lesions were suggestive of squamous cell carcinoma (SCC) and keratoacanthoma. A wide surgical excision of the tumor followed by partial split-thickness skin grafting was performed with complete healing of the lesions. No recurrence has been noted 18 months from follow-up.

Keywords: Discoid lupus erythematosus; maggots; malignancy.

Publication types

  • Case Reports

MeSH terms

  • Animals
  • Biopsy
  • Carcinoma, Squamous Cell / diagnosis
  • Carcinoma, Squamous Cell / etiology*
  • Carcinoma, Squamous Cell / therapy
  • Cell Transformation, Neoplastic / pathology*
  • Female
  • Humans
  • Immunosuppressive Agents / therapeutic use
  • Keratoacanthoma / diagnosis
  • Keratoacanthoma / etiology*
  • Keratoacanthoma / therapy
  • Larva
  • Lupus Erythematosus, Discoid / complications*
  • Lupus Erythematosus, Discoid / diagnosis
  • Lupus Erythematosus, Discoid / therapy
  • Middle Aged
  • Myiasis / diagnosis
  • Myiasis / parasitology*
  • Myiasis / therapy
  • Patient Compliance
  • Skin / parasitology*
  • Skin / pathology*
  • Skin Neoplasms / diagnosis
  • Skin Neoplasms / etiology*
  • Skin Neoplasms / therapy
  • Skin Transplantation
  • Time Factors
  • Treatment Outcome
  • Wound Healing

Substances

  • Immunosuppressive Agents