Head and Neck Solitary Extramedullary Plasmacytoma

Table 3

Comparison of the results of patients with extramedullary solitary plasmacytoma of the head and neck in Aliexiou’s et al.’s literature review [31] with the present study [6, 9, 14–22, 27, 28, 30, 31].

Variables	Alexiou’s LR (before 1998) [31]	Present LR (1998–2012)^a	Present study	Overall
Patients’ number	714	345	13	1072
Primary sites
Sinonasal tract	313 (44%)	163 (47%)	9 (69%)	485 (45%)
Nasopharynx	131 (18%)	51 (15%)	1 (8%)	183 (17%)
Oral cavity	22 (3%)	35 (10%)	0 (0.0%)	57 (6%)
Oropharynx	103 (15%)	26 (7.5%)	0 (0.0%)	129 (12%)
Larynx	79 (11%)	26 (7.5%)	0 (0.0%)	105 (10%)
Hypopharynx	4 (0.5%)	2 (0.5%)	0 (0.0%)	6 (0.5%)
Salivary glands	29 (4%)	4 (1%)	0 (0.0%)	33 (3%)
Cervical L.N.	12 (1.5%)	13 (4%)	2 (15%)	27 (2.5%)
Orbit	0 (0.0%)	13 (4%)	0 (0.0%)	13 (2%)
Miscellaneous	16 (2%)	12 (3.5%)	1 (8%)	29 (3%)
Local control rate	78%	87%	89%	81%
Progression to MM rate	16.1%	21%	15%	17.7%
5-year OS	73.3%	72.5%	74.1%	73%
10-year OS	68.5%	69%	74.1%	69%

LR: literature review; L.N.: lymph node; MM: multiple myeloma; OS: overall survival.
^a[6, 9, 14–22, 27, 28, 30, 31].