heterogeneous hypoechoic solid noduleisoechoic thyroid nodule ultrasoundsolid hypoechoic thyroid noduleisoechoic solid thyroid noduleisoechoic thyroid nodule definitionisoechoic nodulesolid hyperechoic noduleheterogeneous isoechoic nodulesolid mass in lungsolid vascular thyroid noduleprurigo nodules treatmentdupuytren's nodule treatment
