Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc
Journal website http://www.jocmr.org

Original Article

Volume 10, Number 8, August 2018, pages 636-640


The Characteristics and Trends in Adrenocortical Carcinoma: A United States Population Based Study

Figures

Figure 1.
Figure 1. Age-adjusted annual incidence of adrenocortical carcinoma over time.
Figure 2.
Figure 2. Observed and expected survival rates for adrenocortical carcinoma over time.

Tables

Table 1. Overall Characteristics of Adrenocortical Carcinoma Between 1973 and 2014
 
N (%)
Total cases2,014 (100)
Year of diagnosis
  1973 - 1984187 (9.3)
  1985 - 1994297 (14.7)
  1995 - 2004597 (29.7)
  2005 - 2014933 (46.3)
Gender
  Male861 (42.8)
  Female1,153 (57.2)
Median age at diagnosis55 years
Age at diagnosis
  00 - 09 years77 (3.8)
  10 - 19 years54 (2.7)
  20 - 29 years103 (5.1)
  30 - 39 years213 (10.6)
  40 - 49 years331 (16.4)
  50 - 59 years447 (22.2)
  60 - 69 years447 (22.2)
  70 - 79 years249 (12.4)
  80+ years93 (4.6)
Race
  White1,736 (86.2)
  Black142 (7.1)
  Others132 (6.7)
Primary malignancy
  One primary only1,618 (80.3)
  More than one primary396 (19.7)
Laterality
  Unilateral, right874 (43.4)
  Unilateral, left1,040 (51.6)
  Bilateral20 (1)
  Unknown80 (4)
Grade of tumor
  Well differentiated, grade I62 (14.8)
  Moderately differentiated, grade II82 (19.6)
  Poorly differentiated, grade III161 (38.4)
  Undifferentiated, grade IV114 (27.2)
  Unknown1,595
Treatment
  Surgery1,482 (73.6)
  Adjuvant radiotherapy159 (7.9)
  Adjuvant chemotherapy406 (20.2)
  Chemotherapy alone223 (11.1)
Cause specific mortality
  Overall1,051 (52.2)
  1973 - 1984127 (67.9)
  1985 - 1994160 (53.9)
  1995 - 2004331 (55.4)
  2005 - 2014433 (46.4)
Median survival
  Overall17 months
  1973 - 198414 months
  1985 - 199422 months
  1995 - 200428 months
  2005 - 201414 months

 

Table 2. Trend in the Characteristics of Adrenocortical Carcinoma
 
1973 - 1984 N (%)1985 - 1994 N (%)1995 - 2004 N (%)2005 - 2014 N (%)P-value
Total cases187 (9.3)297 (14.7)597 (29.7)933 (46.3)
Gender
  Female90 (48.1)157 (52.9)358 (60)548 (58.7)0.186
  Male97 (51.9)140 (47.1)239 (40)385 (41.3)
Median age at diagnosis54 years56 years53 years55 years0.165
Mean age at diagnosis50.13 ± 19.97753.08 ± 17.61651.37 ± 19.16752.83 ± 18.7520.162
Age at diagnosis
  00 - 09 years10 (5.4)9 (3)26 (4.3)32 (3.5)0.48
  10 - 19 years8 (4.2)3 (1)15 (2.5)28 (3)0.15
  20 - 29 years14 (7.4)15 (5.1)32 (5.3)42 (4.6)0.31
  30 - 39 years16 (8.5)40 (13.4)70 (11.8)87 (9.3)0.13
  40 - 49 years26 (13.9)38 (13.8)110 (18.4)157 (16.9)0.13
  50 - 59 years40 (21.4)68 (22.9)117 (19.6)222 (23.8)0.3
  60 - 69 years50 (26.8)72 (24.2)125 (20.9)200 (21.4)0.77
  70 - 79 years19 (10.2)43 (14.5)72 (12.1)115 (12.4)0.36
  80+ years5 (2.1)9 (3.1)30 (5)50 (5.3)0.18
Race
  White167 (89.4)257 (86.5)521 (87.3)791 (84.8)0.92
  Black10 (5.3)26 (8.8)33 (5.5)73 (7.8)
  Others10 (5.3)14 (4.7)43 (7.2)69 (7.4)
Primary malignancy
  One primary only154 (82.4)225 (75.8)476 (79.7)763 (81.8)0.77
  More than one primary33 (17.6)72 (24.2)121 (20.3)170 (18.2)
Laterality
  Unilateral164 (87.7)287 (96.7)566 (94.8)897 (96.2)0.71
  Bilateral7 (3.7)2 (0.7)6 (1)5 (0.5)
  Unknown16 (8.6)8 (2.7)25 (4.2)31 (3.3)
Grade of tumor
  Poorly differentiated and undifferentiated; grade III and IV13 (42)44 (64.7)93 (64.6)125 (71)0.04
Treatment
  Surgery131 (70.1)233 (78.5)452 (75.7)666 (71.4)0.71
  Adjuvant radiotherapy13 (7)21 (7.1)29 (4.9)96 (10.3)0.003
  Adjuvant chemotherapy27 (14.4)44 (14.8)85 (14.2)250 (26.8)P < 0.05
  Chemotherapy alone18 (9.6)27 (9.1)50 (8.4)128 (13.7)0.009
Median survival14 months22 months28 months14 monthsP < 0.05
Mean survival77.35 ± 132.780.82 ± 105.764.04 ± 69.7925.76 ± 29.184P < 0.05