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Systemic mastocytosis involves the bone marrow in the majority of cases and in some cases other internal organs, usually in addition to involving the skin. Mast cells collect in various tissues and can affect organs where mast cells do not normally inhabit such as the liver , spleen and lymph nodes , and organs which have normal populations but ...
Bone marrow samples can be obtained by aspiration and trephine biopsy. Sometimes, a bone marrow examination will include both an aspirate and a biopsy. The aspirate yields semi-liquid bone marrow, which can be examined by a pathologist under a light microscope and analyzed by flow cytometry, chromosome analysis, or polymerase chain reaction (PCR
Chronic recurrent multifocal osteomyelitis (CRMO) is a rare condition (1:1,000,000), in which the bones have lesions, inflammation, and pain.It is called multifocal because it can appear in different parts of the body, primarily bones, and osteomyelitis because it is very similar to that disease, although CRMO appears to be without any infection.
The more aggressive forms of disease require treatment with chemotherapy, radiotherapy, immunotherapy and—in some cases—a bone marrow transplant. The use of rituximab has been established for the treatment of B-cell–derived hematologic malignancies, including follicular lymphoma (FL) and diffuse large B-cell lymphoma (DLBCL). [7]
In oncology, polycythemia vera (PV) is an uncommon myeloproliferative neoplasm in which the bone marrow makes too many red blood cells. [1] The majority of cases [2] are caused by mutations in the JAK2 gene, most commonly resulting in a single amino acid change in its protein product from valine to phenylalanine at position 617.
Around 550 cases of primary bone cancer – a cancer that begins in the bones – are diagnosed in the UK each year
Microscopy of the skin sample obtained from the biopsy is used to detect the presence of cleavage within the dermis, epidermal acantholysis (breaking apart of the skin), dyskeratotic keratinocytes and vacuolar changes in the layers of the skin, interfacial dermatitis, and epidermal exocytosis. Presentation of these characteristics suggests PNP.
Bone marrow sample from a patient with multiple myeloma: Specialty: Hematology and oncology: Symptoms: Bone pain, fatigue [2]: 653 Complications: Amyloidosis, kidney problems, bone fractures, hyperviscosity syndrome, infections, anemia [3] [2]: 653 Usual onset: Around 60: Duration: Long term [3] Causes: Unknown [4] Risk factors: Obesity [5 ...