Abstract:
Background: HRCT Chest is an important tool in both
diagnosis and management of COVID-19 patient, as well as
it is an important complement to the reverse-transcription
polymerase chain reaction (RT-PCR) tests.
Purpose: The purpose of this study is to assess different patterns
of manifestation in HRCT chest in COVID-19 infection &
to grade the severity by observing a sample of 128 after the
symptoms began.
Method: From 11 April 2020 to 27 May 2020, 128 patients
who were admitted in Combined Military Hospital Dhaka
and underwent both HRCT chest and RT-PCR for COVID-
19 were included. Distribution and patterns of pulmonary
lesions like ground glass opacity (GGO), consolidation,
reverse halo sign, crazy paving, thickened vascular marking,
lymphadenopathy and pleural effusion were evaluated.
Result: Total 128 patients diagnosed (RT-PCR Positive) with
COVID-19 were included. Among them, 112(87.5%) patients
had fever, and 58(45.31%) patients had fatigability. The
most frequent CT abnormality was ground glass opacity
in 123(96.09%) cases. Amongst them 81(63.28%) cases
had GGO plus consolidation and ground glass opacity alone
were 42(32.81%) cases. Crazy-paving pattern was in
65(50.78%) cases. Most patients had multiple lesions and
involved all the 5 lobes in 96(75.00%) cases. The lesions
were mostly peripheral (123,96.09%) and posterior
(103,80.47%) and in 65(50.78%) cases the distribution were
diffuse but predominantly peripheral. Most commonly
involved lobe is right lower lobe (120,93.75%) and left lower
lobe(117,91.41%).
Conclusion: HRCT chest can play an important role in the
early diagnosis and prompt management of this global health
emergency.
Key words: RT-PCR = Reverse transcription polymerase chain
reaction, HRCT= High resolution computed tomography,
COVID-19=corona virus disease 2019, GGO=ground glass
opacity, WHO=World Health Organization, CMH=Combined
Military Hospital.
(J Bangladesh Coll Phys Surg 2020; 38: 21-28)
DOI: https://doi.org/10.3329/jbcps.v38i0.47441