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Classification and external resources
ICD-9-CM 288.64

Plasmacytosis is a condition in which there is an unusually large proportion of plasma cells in tissues, exudates, or blood.[1]:743 Plasmacytosis may be divided into two types—cutaneous and systemic—both of which have identical skin findings.[1]:743

Patients with plasmacytosis have been predominantly found to have lung infections (pneumonia, tuberculosis, abscess) whereas multiple myeloma is rarely found.[2]

See also[edit]


  1. ^ a b James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0. 
  2. ^ Callaway, MW; Braud, EL; McDonald, CR; Paine, CJ; Eichner, ER (Feb 1977). "Clinical correlates of bone marrow plasmacytosis". Southern Medical Journal. 70 (2): 138–41, 152. doi:10.1097/00007611-197702000-00004. PMID 841386.