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DOI

  • Tiberiu Tebeica
  • Cristiana Voicu
  • James W. Patterson
  • Hristo Mangarov
  • Torello Lotti
  • Uwe Wollina
  • Jacopo Lotti
  • Katlein França
  • Atanas Batashki
  • Georgi Tchernev

We report the case of a 42 years old male patient suffering from skin changes, which appeared in the last 7-8 years. Two biopsies were performed during the evolution of the lesion. Both showed similar findings that consisted in a busy dermis with interstitial, superficial and deep infiltrates of lymphocytes and histiocytes dispersed among collagen bundles, with variable numbers of neutrophils scattered throughout. Some histiocytes were clustered in poorly formed granuloma that included rare giant cells, with discrete Palisades and piecemeal collagen degeneration, but without mucin deposition or frank necrobiosis of collagen. The clinical and histologic findings were supportive for interstitial granulomatous dermatitis. Interstitial granulomatous dermatitis (IGD) is a poorly understood entity that was regarded by many as belonging to the same spectrum of disease or even synonym with palisaded and neutrophilic granulomatous dermatitis (PNGD). Although IGD and PNGD were usually related to connective tissue disease, mostly rheumatoid arthritis, some patients with typical histologic findings of IGD never develop autoimmune disorders, but they have different underlying conditions, such as metabolic diseases, lymphoproliferative disorders or other malignant tumours. These observations indicate that IGD and PNGD are different disorders with similar manifestations.

Original languageEnglish
Pages (from-to)543-544
Number of pages2
JournalOpen Access Macedonian Journal of Medical Sciences
Volume5
Issue number4 Special Issue GlobalDermatology
DOIs
Publication statusPublished - 2017

    Research areas

  • IGD, Morphea like, Necrobiosis lipoidica, Plaque, Prognostic value, Target lesions

ID: 38241726