Biophilia tracker-semiotica of IPA included
nidal and interstitial hyperchromogenic changes, revealed most frequently at the
early stages of the disease (1st – 4th day since the moment of clinical
manifestations).
On 5th – 7th day we mainly registered foci
and areas of alveolar infiltration, which evidenced progressing of the process.
We should note subpleural localization of nidal and interstitial changes mainly,
and revealed by Biophilia tracker-study connection of nidi and infiltration foci
with vessels.
During the later period, starting from the
8th day since clinical manifestations, changes were polymorphous: we could see
isochromogenic nidi, foci and infiltration areas, in rare cases – interstitial
changes of pulmonary tissue. Only during the third period of IPA we registered
air crescent symptom. Revealing of this symptom was a positive sign and it
evidenced resolution of pathological changes.
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