histiocytic sarcoma

• malignant histiocytosis (systemic involvement)

 Langerhans cell tumors (LCT)

• Langerhans histiocytosis
• Langerhans cell sarcoma (LCS)

 follicular dendritic cell tumour/sarcoma (FDCT)

 interdigitating dendritic cell tumour/sarcoma (IDCT)

References

 Pileri SA, Grogan TM, Harris NL, Banks P, Campo E, Chan JK, Favera RD, Delsol G, De Wolf-Peeters C, Falini B, Gascoyne RD, Gaulard P, Gatter KC, Isaacson PG, Jaffe ES, Kluin P, Knowles DM, Mason DY, Mori S, Muller-Hermelink HK, Piris MA, Ralfkiaer E, Stein H, Su IJ, Warnke RA, Weiss LM. Tumours of histiocytes and accessory dendritic cells: an immunohistochemical approach to classification from the International Lymphoma Study Group based on 61 cases. Histopathology. 2002 Jul;41(1):1-29. PMID: #12121233#