impalpable

adj.

难掌握的；难琢磨的；感觉不到的；摸不着的

The impalpable testis: a rational approach to management
The prevalence of carcinoma in palpable vs impalpable, mammographically detected lesions
Ultrasound-guided mammotome vacuum biopsy for diagnosis of impalpable breast tumor
Predictors of axillary lymph node metastases in patients with impalpable breast cancer
Ultrasound-guided mammotome vacuum biopsy for the diagnosis of impalpable breast lesions.
Large, organ confined, impalpable transition zone prostate cancer: association with metastatic levels of prostate specific antigen.
Impact of core biopsy on the surgical management of impalpable breast cancer: another look at margins.
Previous mammograms in patients with impalpable breast carcinoma: retrospective vs blinded interpretation. 1993 ARRS President's Award
Radical Prostatectomy for Impalpable Prostate Cancer: The Johns Hopkins Experience With Tumors Found on Transurethral Resection (Sta...
Atypical ductal hyperplasia: histologic underestimation of carcinoma in tissue harvested from impalpable breast lesions using 11-gau...