BioMed Research International / 2018 / Article / Tab 2

Research Article

Incidence of Hippocampal Metastases: Laterality and Implications for Unilateral Hippocampal Avoiding Whole Brain Radiotherapy

Table 2

Spatial distribution of brain metastases.

Location of metastasisN= 260 patients
N= 2595 metastases

Temporal – No. of patients95 (36.5%)
  Left61 (23.5%)
  Right62 (23.9%)
Temporal – No. of metastases310 (11.9%)
  Mean/ Median/ IQR (25-75 %)3.26/1/1-2.5
 Left/Right
  Mean2.48/2.57
  Median1/1
  IQR (25-75 %)1-2/1-2
Occipital – No. of patients101 (38.9%)
  Left73 (28.1%)
  Right57 (21.9%)
Occipital – No. of metastases288 (11.1%)
  Mean/ Median/ IQR (25-75%)2.85/1/1-2
 Left/Right
  Mean1.95/2.56
  Median1/1
  IQR (25-75 %)1-2/1-3
Parietal – No. of patients128 (49.2%)
  Left85 (32.7%)
  Right83 (31.9%)
Parietal – No. of metastases397 (15.3%)
  Mean/ Median/ IQR (25-75 %)3.10/1/1-2
 Left/Right
  Mean2.55/2.17
  Median1/1
  IQR (25-75 %)1-2/1-2
Frontal – No. of patients154 (59.2%)
  Left121 (46.5%)
  Right98 (37.7%)
Frontal – No. of metastases962 (37.1%)
  Mean/ Median/ IQR (25-75 %)6.25/2/1-4
 Left/Right
  Mean4.02/4.86
  Median1/2
  IQR (25-75 %)1-2/1-4
Other locations – No. of patients29 (11.2%)
Other locations – No. of metastases638 (24.6%)

Abbreviations: No.- number, MTS- metastasis, IQR-interquartile range

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.