Case Report

Metastatic Basal Cell Carcinoma: A Rare Manifestation of a Common Disease

Table 1

Characteristics of metastatic basal cell carcinoma cases.

CharacteristicsCurrent study (2012–2017)Wysong et al. (1981–2011)von Domarus and Stevens (1894–1980)Comparison of the studies

Total no. of cases25194170389
Male, no. (%)a20 (80%)136 (71%)102 (67%)258 (66%)
Ratio (male : female)4 : 13 : 12 : 12 : 1
Age at onset of primary tumor, median (range), yb65 (36–83)50 (24–88)45 (14–84)

Location of primary tumor

Head and neck12 (48%)122 (64%)119 (75%)253 (65%)
Trunk6 (24%)41 (21%)26 (17%)73 (18.7%)
Extremities5 (20%)10 (5%)11 (7%)26 (6.6%)
Genitalia1 (4%)10 (5%)2 (1%)13 (3.3%)
Multiple sites1 (4%)9 (5%)10 (2.5%)
Interval from onset of tumor to metastasis, median (range), yc6 (0–18)9 (0–30)9 (0–45)
Age at first sign of metastasis, median (range), y69 (40–90)63 (32–92)59 (24–89)

Site of metastasisd

Lymph nodes14 (56%)101 (53%)63 (39%)178 (45%)
Lung9 (36%)62 (33%)66 (42%)137 (35%)
Parotid gland5 (20%)5 (1.2%)
Bone4 (16%)38 (20%)44 (28%)86 (22%)
Submandibular gland3 (12%)3 (0.7%)
Thyroid1 (4%)1 (0.2%)
Skin/subcutaneous021 (11%)19 (12%)40 (10%)
Liver08 (4%)15 (9%)23 (6%)
Time to death after diagnosis of metastasis, median (range), moe24 (6–300)10 (0.5–108)8 (1–192)

aN = 25 for current study, N = 191 for study by Wysong et al., and N = 153 for study by von Domarus and Stevens. bN = 22 for current study, N = 157 for study by Wysong et al., and N = 130 for study by von Domarus and Stevens. cN = 21 for current study, N = 152 for study by Wysong et al., and N = 137 for study by von Domarus and Stevens. dForty-seven cases involved more than 1 organ system; N = 25 for current study, N = 190 for study by Wysong et al., N = 159 for study by von Domarus and Stevens. eCases where survival data are available: N = 5 for current study, N = 51 for study by Wysong et al., and N = 79 for study by von Domarus and Stevens.