title: Glioblastoma with signet ring cell morphology: A diagnostic challenge.
abstract: Glioblastoma (WHO Grade IV), the most frequent malignant brain tumor, can have varied morphologic variations like epithelial/glandular structures, granular cells, and lipidized cells. Glioblastoma with signet ring cell morphology is very unusual and can mimic a metastatic carcinoma. These rare tumors may be just a morphological variant or may signify a different carcinogenic pathway.
authors.affiliation: Department of Histopathology, Triesta Reference Laboratory, HCG Bangalore Institute of Oncology, Bengaluru, Karnataka, India.
authors.forename: Naveen
authors.initials: N
authors.lastname: Krishnamoorthy
authors.affiliation: Department of Research and Development, Triesta Reference Laboratory, HCG Bangalore Institute of Oncology, Bengaluru, Karnataka, India.
authors.forename: Vidya
authors.initials: V
authors.lastname: Veldore
authors.affiliation: Department of Radiotherapy, HCG Bangalore Institute of Oncology, Sampangiram Nagar, Bengaluru, Karnataka, India.
authors.forename: P S
authors.initials: PS
authors.lastname: Sridhar
authors.affiliation: Department of Radiodiagnosis, HCG Bangalore Institute of Oncology, Sampangiram Nagar, Bengaluru, Karnataka, India.
authors.forename: M J
authors.initials: MJ
authors.lastname: Govindrajan
authors.affiliation: Department of Histopathology, Triesta Reference Laboratory, HCG Bangalore Institute of Oncology, Bengaluru, Karnataka, India.
authors.forename: Shilpa
authors.initials: S
authors.lastname: Prabhudesai
authors.affiliation: Department of Histopathology, Triesta Reference Laboratory, HCG Bangalore Institute of Oncology, Bengaluru, Karnataka, India.
authors.forename: Digantha
authors.initials: D
authors.lastname: Hazarika
authors.affiliation: Department of Radiotherapy, HCG Bangalore Institute of Oncology, Sampangiram Nagar, Bengaluru, Karnataka, India.
authors.forename: B S
authors.initials: BS
authors.lastname: Ajaikumar
keywords: Glioblastoma; mimic-metastatic carcinoma; signet ring morphology