Sentence examples for specimens is challenging from inspiring English sources

Obtaining precise histopathologic detail for breast lumpectomy specimens is challenging due to extensive sampling and loss of 3-dimensional conformation with conventional methods.

However, the recovery of nucleic acids from these tissue specimens is challenging.

The recovery of nucleic acids (DNA and RNA) from fixed, paraffin-embedded specimens is challenging.

First, correct macroscopic identification of ILC areas in human breast resection specimens is challenging.

Accurate nucleic acid detection of C trachomatis and N gonorrhoeae in clinical specimens is challenging.

Obtaining optimally preserved, nonedematous human autopsy specimens is challenging at best making even the control subjects suboptimal representatives of "normal" lung tissue.

Molecular detection strategies from airway specimens are challenging because of the relatively difficult access, paucity of tissue and lack of molecular changes predictive of cancer.

Giving researchers access to all of the annotations that could be relevant to a specimen is challenging.

Due to prostate deformations, differing slice thicknesses between imaging and histology, and differing spatial orientation between imaging and whole-mount pathology, registration of medical imaging to pathology from prostatectomy specimen is challenging [22].

However, as is generally recognized, the detection and analysis of rare events (approximately 0.1% and less), such as CTCs in peripheral blood specimens by FCM, is challenging.

However, performing a trunk wash is challenging, and culture of M. tuberculosis from these specimens is unreliable (9, 10 ).