A reappraisal of the histopathologic criteria for the diagnosis of cutaneous allogeneic acute graft-vs-host disease

Daniela Massi, Alessandro Franchi, Nicola Pimpinelli, Daniele Laszlo, Alberto Bosi, Marco Santucci

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Abstract

To determine the validity of the Lerner grading system and review the histopathologic findings of cutaneous acute graft-vs-host disease (aGVHD), 78 skin biopsy specimens from 49 bone marrow transplant recipients were evaluated. Histopathologic sections were independently reviewed twice by 3 pathologists and classified (Lerner system), without knowledge of the patients' clinical evolution. Intraobserver agreement in grading aGVHD was substantial to almost perfect. Interobserver agreement between pairs of observers was moderate to substantial on first review and substantial on second review. Overall, we found an almost perfect agreement in diagnosing Lerner grade III, whereas areas of disagreement occurred with Lerner grades O, I, and II. Histopathologically, specimens of patients who developed aGVHD (aGVHD-positive) showed significantly higher frequency of epidermal atrophy, spongiosis, diffuse basal vacuolization, more than 3 single necrotic keratinocytes per high-power field, satellitosis, inflammatory infiltrate, with a predominantly lichenoid pattern, lymphocytic exocytosis, and dermal melanophages. When considering skin samples classified as grade I and II, we found statistically significant differences between aGVHD-positive and aGVHD- negative cases only for the presence of inflammatory infiltrate, lymphocytic exocytosis, and satellitosis. Lerner grading is reproducible, although lesser agreement occurred when evaluating grades I and II, and the Lerner grading system should be revised by including the estimate of the inflammatory infiltrate as an additional criterion for grade II.

Original languageEnglish
Pages (from-to)791-800
Number of pages10
JournalAmerican Journal of Clinical Pathology
Volume112
Issue number6
Publication statusPublished - 1999

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Graft vs Host Disease
Skin
Exocytosis
Keratinocytes
Atrophy
Bone Marrow
Biopsy

Keywords

  • Allogeneic acute graft-vs-host disease
  • Bone marrow transplantation
  • Histopathology
  • Skin

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

A reappraisal of the histopathologic criteria for the diagnosis of cutaneous allogeneic acute graft-vs-host disease. / Massi, Daniela; Franchi, Alessandro; Pimpinelli, Nicola; Laszlo, Daniele; Bosi, Alberto; Santucci, Marco.

In: American Journal of Clinical Pathology, Vol. 112, No. 6, 1999, p. 791-800.

Research output: Contribution to journalArticle

Massi, Daniela ; Franchi, Alessandro ; Pimpinelli, Nicola ; Laszlo, Daniele ; Bosi, Alberto ; Santucci, Marco. / A reappraisal of the histopathologic criteria for the diagnosis of cutaneous allogeneic acute graft-vs-host disease. In: American Journal of Clinical Pathology. 1999 ; Vol. 112, No. 6. pp. 791-800.
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