Digital Pathology in Cameroon

PURPOSECancer is becoming increasingly prevalent among the group of treatable diseases in African countries. There is a shortage of clinicians and pathologists available for cancer diagnosis and treatment. These limited resources must be efficiently used to maximize the number of patients treated. One of the critical factors in treatment efficiency is the correct and timely diagnosis of specimens by pathologists. However, there is currently a significant shortage of cancer care clinicians in Africa and an even more considerable shortage of pathologists. This article presents an example in which telepathology was used to mitigate the lack of pathologists in Cameroon.METHODSThe telepathology workaround was implemented in a district hospital based in Cameroon's Adamawa region, where a European surgeon provides cancer treatment. A small histology laboratory there is run by one histotechnologist who processes surgical biopsies into histology slides. As there are no pathologists on site, these slides are digitally scanned using a mobile phone and a whole slide imaging (WSI) scanner. The slides are then shared electronically with a volunteering pathologist in Europe who provides a diagnostic report.RESULTSFrom 2018 to July 2019, specimens for 101 patients were photographed through an iPhone connected to a microscope eyepiece producing several individual images per specimen. From July 2019 to December 2020, slides from 282 patients were scanned using WSI and digitally transmitted.CONCLUSIONWSI on hematoxylin and eosin histology slides for remote diagnosis can increase cancer treatment efficacy and reduce overtreatment of tumors clinically suspicious for malignancy in under-resourced countries with a lack of pathologists.

Abstract licence: CC BY-NC-ND

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