AUTHORS’ CONTRIBUTIONS:
Dr Faten LIMAIEM, Dr Nadia BOUJELBENE and Pr Saadia BOURAOUI prepared, organized, wrote, and edited all aspects of the manuscript. They performed the gross and microscopic pathologic evaluation of the pathology specimen. They prepared all of the histology figures in the manuscript. They read, edited, and approved the final version of the manuscript.
Dr Seifeddine BACCOUCH, Dr Aziz ATALLAH , Dr Mohamed HAJRI, Dr Sofiène GABSI and Leila BEN FARHAT participated in:
  1. The conception and design of the study,
  2. The acquisition of data, analysis and interpretation of the data,
  3. The drafting of the article and revising it critically for important intellectual content,
  4. Final approval of the manuscript before its submission