Aastha Chauhan

Assistant Professor


Dr. Chauhan received an MBBS from Goa Medical College, India, and a MD Pathology from PGIMER Dr. RML Hospital, New Delhi. She completed residency training in anatomic and clinical pathology in LMP, where she was chief resident. She also completed gastrointestinal and cytopathology fellowships in LMP. Chauhan was the recipient of the Kenneth F. Ernst Award in recognition of superior research in pathology by trainees: Best AP Project 2020.


Rabe K, Chauhan A, Holler J, Mettler T, Amin K, Stewart J 3rd. Effects of COVID-19 pandemic on cytology: specimen adequacy in fine-needle aspiration of palpable head and neck masses. J Am Soc Cytopathol. 2022 Jul-Aug;11(4):234-240. doi: 10.1016/j.jasc.2022.04.002. Epub 2022 Apr 19.

Maller, O., Drain, A.P., Barrett, A.S.,...Chauhan, A....Weaver V.M. Tumour-associated macrophages drive stromal cell-dependent collagen crosslinking and stiffening to promote breast cancer aggression. Nat. Mater. 20, 548–559 (2021). https://doi.org/10.1038/s41563-020-00849-5

Chauhan, A., Siegel, L., Freese, R., Racila, E., Stewart III, J., & Amin, K. Performance of Ventana SP263 PD-L1 assay in endobronchial ultrasound guided-fine-needle aspiration derived non-small-cell lung carcinoma samples. Diagnostic Cytopathology, 49(3), 355-362 (2021).

Chauhan, A., Sanchez-Avila, M., Manivel, J., Dachel, S., Larson, W., Hanson, B., & Mesa, H. Optimization of immunophenotypic panel to differentiate upper from lower gastrointestinal adenocarcinomas: Analysis of new and traditional markers. Applied Immunohistochemistry & Molecular Morphology, 29(1), 13-19 (2021).




Research Summary

Chauhan's research interests are in pancreatic adenocarcinoma variants and their molecular signatures and in optimizing cytology cell blocks in lung cancers for ancillary testing.




Mayo Memorial Building, Office C474
420 Delaware St SE
Minneapolis, MN 55455