What's new @ TOPA
March 2014 A new FISH test is available to help identify those patients with Barrett’s esophagus (BE) who are at increased risk for progression to esophageal cancer See here
January 2014 Progress in Acute Myeloid Leukemia, Myelodysplastic Syndromes and Acute Lymphoblastic Leukemia See here
December 2013 Utility of a Triple Antibody Cocktail Intraurothelial Neoplasm-3 (IUN-3-CK20/CD44s/p53) and α-Methylacyl-CoA Racemase (AMACR) in the Distinction of Urothelial Carcinoma In Situ (CIS) and Reactive Urothelial Atypia
See here
November 2013 Revised ASCO-CAP HER2 Test Guideline Recommendations
See here

TOPA Diagnostics is a specialized anatomic pathology laboratory that has been serving the local medical community for decades. TOPA is accredited by the College of American Pathologists and provides surgical pathology and cytology services, including gynecologic, non-gynecologic and fine-needle aspiration cytology. As a local, specialized laboratory, our focus is to provide superior anatomic pathology expertise and personalized service to our physician-clients and their patients.

TOPA Diagnostics is located at 351 Rolling Oaks Drive, #100, in Thousand Oaks, California. Map here.

Quick links to client services:

Services we provide:

  • Rapid reporting of results
  • Frozen section service to physicians’ offices
  • Immediate reporting of malignant, suspicious and unexpected findings
  • Special studies (i.e. special stains, immunostains, lymphoma workups)
  • An information system that provides digital imaging, internet reporting, EMR capability and autofaxing
  • Experienced, client friendly billing department
  • In-house couriers who provide rapid pick-up of specimens and delivery of hard copy reports