242Lu Bird Fancier’s Disease Hypersensitivity Pneumonitis

Hypersensitivity Pneumonitis Bird Fancier’s Disease

Axial CT – Hypersensitivity Pneumonitis Bird Fancier’s Disease
55-year-old female with shortness of breath. She keeps birds for pets Axial CT through the mid lung fields shows diffuse ground glass changes with a combination of mosaic attenuation and normal lung giving the appearance of the head cheese sign.
Ashley Davidoff MD TheCommonVein.net 242Lu 13551a

Axial CT – Hypersensitivity Pneumonitis Bird Fancier’s Disease
55-year-old female with shortness of breath. She keeps birds for pets Axial CT through the mid lung fields shows diffuse ground glass changes with a combination of mosaic attenuation and normal lung giving the appearance of the head cheese sign.
Ashley Davidoff MD TheCommonVein.net 242Lu 13551b

Coronal CT – Hypersensitivity Pneumonitis Bird Fanciers Disease
55-year-old female with shortness of breath. She keeps birds for pets Coronal CT through the mid lung fields shows diffuse ground glass changes with a combination of mosaic attenuation and normal lung giving the appearance of the head cheese sign.
Ashley Davidoff MD TheCommonVein.net 242Lu 135552a

Sagittal CT – Hypersensitivity Pneumonitis Bird Fancier’s Disease
55-year-old female with shortness of breath. She keeps birds for pets Sagittal CT through the mid lung fields shows diffuse ground glass changes with a combination of mosaic attenuation and normal lung giving the appearance of the cheese head sign.
Ashley Davidoff MD TheCommonVein.net 242Lu 13552b

Inspiration Expiration

Mostly Normal Lung Among Ground Glass Changes

Axial CT – Inspiration Expiration Hypersensitivity Pneumonitis Bird Fancier’s Disease
55-year-old female with shortness of breath. She keeps birds for pets Axial CT through the mid lung fields on inspiration (upper image) shows diffuse ground glass changes with mosaic attenuation Expiration images (below) shows some regions of regions of air trapping (left lower lobe) and some of normalizing (right lower lobe )
Ashley Davidoff MD TheCommonVein.net 242Lu 13553

Axial CT – Inspiration Expiration Hypersensitivity Pneumonitis Bird Fancier’s Disease Right Lower Lobe
55-year-old female with shortness of breath. She keeps birds for pets Axial CT through the mid lung fields on inspiration (upper image) shows diffuse ground glass changes with low attenuation regions Expiration images (below)shows increase in the density of this region indicating that this region is normal lung
Ashley Davidoff MD TheCommonVein.net 242Lu 13554

Axial CT – Inspiration Expiration Hypersensitivity Pneumonitis Bird Fancier’s Disease Left Lower Lobe
55-year-old female with shortness of breath. She keeps birds for pets Axial CT through the mid lung fields on inspiration (upper image) shows diffuse ground glass changes with low attenuation regions (mosaic attenuation) Expiration images (below) shows persistent regions of mosaic attenuation indicating air trapping
Ashley Davidoff MD TheCommonVein.net 242Lu 13555

Air Trapping

Axial CT – Inspiration Expiration Hypersensitivity Pneumonitis Bird Fancier’s Disease Left Lower Lobe
55-year-old female with shortness of breath. She keeps birds for pets Axial CT through the mid lung fields on inspiration (upper image) shows diffuse ground glass changes with low attenuation regions (mosaic attenuation) Expiration images (below) shows persistent regions of mosaic attenuation indicating air trapping
Ashley Davidoff MD TheCommonVein.net 242Lu 13556

Axial CT – Inspiration Expiration Hypersensitivity Pneumonitis Bird Fancier’s Disease Right Middle Lobe
55-year-old female with shortness of breath. She keeps birds for pets Axial CT through the mid lung fields on inspiration (upper image) shows diffuse ground glass changes with low attenuation regions (mosaic attenuation) Expiration images (below) shows persistent regions of mosaic attenuation indicating air trapping
Ashley Davidoff MD TheCommonVein.net 242Lu 13557