All are good prognostic factors for neuroblastoma except
The expression of specific neurotrophin receptors like TrkA are good prognostic factors for Neuroblastoma whereas expression of TrkB like neurotrophin receptors worsens the disease. Refer robbins 9/e 260p
Trk-A expression absent
Absence of 1 p loss
Absence of 17 p gain
Absence of 11 q loss
Endocrinology