Size of lymph nodes depends on age of a studied person, peculiarities of his physique, etc. In clinically healthy people lymph nodes up to 3.5 cm may be found. There is a difference in size and shape of lymph nodes of various regional groups and lymph nodes located in various areas of one and the same person.

Shape of lymph nodes generally depends on their topographoanatomical relations with surrounding organs, usually it is slightly oblong and flattened, a little prominent on the one side and minor pit on the other, resembling a bean. Sometimes shape of a lymph node may be roundish. In senile aged patients tape-like shapes of lymph nodes can be found, which may be regarded as a result of lesser nodes merging. In areas limited by fascias (for example in occipital region), nodes are more long than those located in loose tissue (for example, axillary).

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