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2015 ; 10
(9
): e0135869
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gab.com Text
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Design of a Novel Low Cost Point of Care Tampon (POCkeT) Colposcope for Use in
Resource Limited Settings
#MMPMID26332673
Lam CT
; Krieger MS
; Gallagher JE
; Asma B
; Muasher LC
; Schmitt JW
; Ramanujam N
PLoS One
2015[]; 10
(9
): e0135869
PMID26332673
show ga
INTRODUCTION: Current guidelines by WHO for cervical cancer screening in low- and
middle-income countries involves visual inspection with acetic acid (VIA) of the
cervix, followed by treatment during the same visit or a subsequent visit with
cryotherapy if a suspicious lesion is found. Implementation of these guidelines
is hampered by a lack of: trained health workers, reliable technology, and access
to screening facilities. A low cost ultra-portable Point of Care Tampon based
digital colposcope (POCkeT Colposcope) for use at the community level setting,
which has the unique form factor of a tampon, can be inserted into the vagina to
capture images of the cervix, which are on par with that of a state of the art
colposcope, at a fraction of the cost. A repository of images to be compiled that
can be used to empower front line workers to become more effective through
virtual dynamic training. By task shifting to the community setting, this
technology could potentially provide significantly greater cervical screening
access to where the most vulnerable women live. The POCkeT Colposcope's
concentric LED ring provides comparable white and green field illumination at a
fraction of the electrical power required in commercial colposcopes. Evaluation
with standard optical imaging targets to assess the POCkeT Colposcope against the
state of the art digital colposcope and other VIAM technologies. RESULTS: Our
POCkeT Colposcope has comparable resolving power, color reproduction accuracy,
minimal lens distortion, and illumination when compared to commercially available
colposcopes. In vitro and pilot in vivo imaging results are promising with our
POCkeT Colposcope capturing comparable quality images to commercial systems.
CONCLUSION: The POCkeT Colposcope is capable of capturing images suitable for
cervical lesion analysis. Our portable low cost system could potentially increase
access to cervical cancer screening in limited resource settings through task
shifting to community health workers.