Chronic venous congestion in lungs, depicted in the images below, may be identified by the presence of engorged alveolar capillaries ... Read More »

Pulmonary edema, depicted in the images below, can be identified by the presence of pale staining eosinophilic appearance around perivascular ... Read More »

Granulation tissue, depicted in the images below, may be identified by: Formation of new blood vessels called angiogenesis Proliferation of ... Read More »

Chronic granulomatous inflammation, depicted in the images below, may be identified by the presence of central caseation surrounded by a ... Read More »

Chronic inflammation, depicted in the images below, may be identified by the infiltration of mononuclear cells, including macrophages, hymphocytes and ... Read More »

Acute inflammation, depicted in the images below, can be identified by the presence of neutrophilic exudate in the mucosa, submucosa ... Read More »

Hemosiderosis, depicted in the images below, can be identified by the presence of golden yellow to brown granular or crystalline ... Read More »

Calcification, depicted in the images below, can be identified by the presence of basophilic, amorphous granules or clumps, which are ... Read More »

Intracellular accumulation of melanin, depicted in the images below, can be identified by the presence of brown black pigment. [smooth=id:75;] ... Read More »

Metaplasia, depicted in the images below, can be identified by the growth of stratified squamous epithelium over the exposed area ... Read More »