“…The diagnosis of inflammation in AD is a process involving many branches of medicine, including laboratory medicine, immunochemistry, clinical biochemistry, clinical immunology, hematology, anatomy, histology, and pathomorphology. It can be divided into two basic parts: basic or early, which includes basic laboratory tests often performed routinely by many patients and specialists, or late, which may include the following diagnostics: immunological, including flow cytometry, radiological and imaging diagnostics, with brain imaging of AD patients and pathological diagnostics, which include, among others immunohistochemical reactions and anatomopathological diagnostics, autopsies performed after the patient’s death [ 123 ]. Laboratory medicine plays a very important role in the process of diagnosing inflammation and AD itself at an early stage of development [ 124 ].…”