The genetics of interdigitating dendritic cell sarcoma share some changes with Langerhans cell histiocytosis in select cases.

O'Malley, D. P.,Zuckerberg, L.,Smith, L. B.,Barry, T. S.,Gunn, S.,Tam, W.,Orazi, A.,Kim, Y. S.,Weiss, L. M.; Ann Diagn Pathol. 2013 Dec 11.

Histopathological findings in 29 lymph node biopsies with increased IgG4 plasma cells.

Grimm, K.E., Barry, T.S., Chizhevsky, V., Hii, A., Weiss, L.M., Siddiqi, I.N., Brynes, R.K., O'Malley, D.P.; Mod Pathol. 2012 Mar.

Co-occurrence of Langerhans cell histiocytosis and Rosai-Dorfman disease: possible relationship of two histiocytic disorders in rare cases.

O'Malley, D.P., Duong, A., Barry, T.S., Chen, S., Hibbard, M.K., Ferry, J.A., Hasserjian, R.P., Thompson, M.A., Richardson, M.S., Jaffe, R., Sidhu, J.S., Banks, P.M.; Mod Pathol. 2010 Dec.