title: Comments from the readers: thymic dysplasia associated with lymphopenia.
mesh_terms: D005260:Female; D006801:Humans; D006965:Hyperplasia; D007153:Immunologic Deficiency Syndromes / Q000235:genetics*; D007223:Infant; D007970:Leukopenia / Q000150:complications*; D008221:Lymphoid Tissue; D008297:Male; D013950:Thymus Gland / Q000254:growth & development*