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Lymphoma is a group of blood and lymph tumors that develop from lymphocytes. The name typically refers to just the cancerous versions rather than all such tumours. Signs and symptoms may include enlarged lymph nodes, fever, drenching sweats, unintended weight loss, itching, and constantly feeling tired. The enlarged lymph nodes are usually painless. The sweats are most common at night.
In medicine, proton therapy, or proton radiotherapy, is a type of particle therapy that uses a beam of protons to irradiate diseased tissue, most often to treat cancer. The chief advantage of proton therapy over other types of external beam radiotherapy is that the dose of protons is deposited over a narrow range of depth; hence in minimal entry, exit, or scattered radiation dose to healthy nearby tissues.
Procarbazine is a chemotherapy medication used for the treatment of Hodgkin's lymphoma and brain cancers. For Hodgkin's it is often used together with chlormethine, vincristine, and prednisone while for brain cancers such as glioblastoma multiforme it is used with lomustine and vincristine. It is typically taken by mouth.
Dacarbazine (DTIC), also known as imidazole carboxamide, is a chemotherapy medication used in the treatment of melanoma and Hodgkin's lymphoma. For Hodgkin's it is often used together with vinblastine, bleomycin, and doxorubicin. It is given by injection into a vein.
Follicular lymphoma (FL) is a cancer that involves certain types of white blood cells known as lymphocytes. The cancer originates from the uncontrolled division of specific types of B-cells known as centrocytes and centroblasts. These cells normally occupy the follicles (nodular swirls of various types of lymphocytes) in the germinal centers of lymphoid tissues such as lymph nodes. The cancerous cells in FL typically form follicular or follicle-like structures (see adjacent Figure) in the tissues they invade. These structures are usually the dominant histological feature of this cancer.
B symptoms are a set of symptoms, namely fever, night sweats, and unintentional weight loss, that can be associated with both Hodgkin lymphoma and non-Hodgkin lymphoma. These symptoms are not specific to lymphomas, especially each one considered individually, and even as a trio they are not pathognomonic for lymphomas, but the presence of the trio is sensitive enough for lymphomas to warrant diagnostic investigation and differential diagnosis. The presence or absence of B symptoms has prognostic significance in lymphomas and is reflected in their staging.
MALT lymphoma is a form of lymphoma involving the mucosa-associated lymphoid tissue (MALT), frequently of the stomach, but virtually any mucosal site can be affected. It is a cancer originating from B cells in the marginal zone of the MALT, and is also called extranodal marginal zone B cell lymphoma.
Radioimmunotherapy (RIT) uses an antibody labeled with a radionuclide to deliver cytotoxic radiation to a target cell. It is a form of unsealed source radiotherapy. In cancer therapy, an antibody with specificity for a tumor-associated antigen is used to deliver a lethal dose of radiation to the tumor cells. The ability for the antibody to specifically bind to a tumor-associated antigen increases the dose delivered to the tumor cells while decreasing the dose to normal tissues. By its nature, RIT requires a tumor cell to express an antigen that is unique to the neoplasm or is not accessible in normal cells.
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Spinal cord compression is a form of myelopathy in which the spinal cord is compressed. Causes can be bone fragments from a vertebral fracture, a tumor, abscess, ruptured intervertebral disc or other lesion.
ABVD is a chemotherapy regimen used in the first-line treatment of Hodgkin lymphoma, replacing the older MOPP protocol. It consists of concurrent treatment with the chemotherapy drugs:
BEACOPP is a chemotherapy regimen for treatment of Hodgkin lymphoma developed by the German Hodgkin Study Group used for patients in Stages > II or early with unfavorable risk factors. Patients typically receive treatment in cycles of 21 days with no drugs given on days 15–21. There also exists a more intensive regimen with cycles of 14 days. Usually a course of BEACOPP therapy consists of four, sometimes six to eight cycles, or in combination with ABVD. In some countries BEACOPP still is experimental, in others it is a standard therapy. In the United States, ABVD is generally given instead, because BEACOPP is perceived by practicing oncologists to have the potential to induce more secondary neoplasias. However, the final results from the GHSG HD14 trial indicate that "there were no overall differences in treatment-related mortality or secondary malignancies" of BEACOPP relative to ABVD.
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Nodular lymphocyte predominant Hodgkin lymphoma (NLPHL) is a slow-growing CD20 positive form of Hodgkin lymphoma, a cancer of the immune system's B cells.
Subcutaneous T-cell lymphoma is a cutaneous condition that most commonly presents in young adults, and is characterized by subcutaneous nodules. Common symptoms include fever, fatigue, and pancytopenia.
Peripheral T-cell lymphoma not otherwise specified (PTCL-NOS), is a subtype of peripheral T-cell lymphoma. Peripheral T-cell lymphoma (PTCL) is defined as a diverse group of aggressive lymphomas that develop from mature-stage white blood cells called T-cells and natural killer cells. PTCL is a type of non-Hodgkin's lymphoma (NHL). PTCL specifically affects T-cells rather than B-cells, and results when T-cells develop and grow abnormally.
Hodgkin lymphoma (HL) is a type of lymphoma in which cancer originates from a specific type of white blood cell called lymphocytes, where multinucleated Reed–Sternberg cells are present in the patient's lymph nodes. The condition was named after the English physician Thomas Hodgkin, who first described it in 1832. Symptoms may include fever, night sweats, and weight loss. Often, nonpainful enlarged lymph nodes occur in the neck, under the arm, or in the groin. Those affected may feel tired or be itchy.
VAMP regimen or VAMP chemotherapy is a four-drug combination chemotherapy regimen, used today in the treatment of Hodgkin lymphoma. It was one of the earliest combination chemotherapy regimens, originally developed as a treatment for childhood leukemia by a group of researchers at the National Cancer Institute led by Emil Frei and Emil Freireich. The first clinical trial of VAMP began in 1961. Because it was the first time that four chemotherapeutic agents were used at once, the trial was highly controversial at its time. Although new combination chemotherapy regimens have replaced the use of VAMP in the treatment of childhood leukemia, VAMP is considered an important precursor to modern treatments, confirming the effectiveness of combination chemotherapy and leading to the use of combination chemotherapy regimens to treat other types of cancer.
Prophylactic cranial irradiation (PCI) is a technique used to combat the occurrence of metastasis to the brain in highly aggressive cancers that commonly metastasize to brain, most notably small-cell lung cancer. Radiation therapy is commonly used to treat known tumor occurrence in the brain, either with highly precise stereotactic radiation or therapeutic cranial irradiation. By contrast, PCI is intended as preemptive treatment in patients with no known current intracranial tumor, but with high likelihood for harboring occult microscopic disease and eventual occurrence. For small-cell lung cancer with limited and select cases of extensive disease, PCI has shown to reduce recurrence of brain metastases and improve overall survival in complete remission.
IMEP is a chemotherapy regimen that is effective for nasal NK- / T-cell lymphoma. This chemotherapy regimen was also tested in Hodgkin disease as a part of a multidrug alternating scheme COPP / ABV / IMEP. But in that setting it showed no advantage in efficacy and toxicity compared to the use of ABVD or the alternating COPP / ABVD scheme.
References
- ↑ Bartlett NL, Rosenberg SA, Hoppe RT, et al. (1995). "Brief chemotherapy, Stanford V, and adjuvant radiotherapy for bulky or advanced-stage Hodgkin's disease: A preliminary report". J. Clin. Oncol. 13 (5): 1080–1088. doi:10.1200/JCO.1995.13.5.1080. PMID 7537796.
- ↑ "Cancer Care Ontario". Formulary. Retrieved 2011-05-27.
- ↑ Horning, SJ; Williams J, Bartlett NL; et al. (March 2000). "Assessment of the Stanford V Regimen and Consolidative Radiotherapy for Bulky and Advanced Hodgkin's Disease: Eastern Cooperative Oncology Group Pilot Study E1492". Journal of Clinical Oncology. 18 (5): 972–980. doi:10.1200/jco.2000.18.5.972. PMID 10694546.
- ↑ Gobbi, PG; Levis, A; Chisesi, T; et al. (2005). "ABVD versus modified stanford V versus MOPPEBVCAD with optional and limited radiotherapy in intermediate- and advanced-stage Hodgkin's lymphoma: final results of a multicenter randomized trial by the Intergruppo Italiano Linfomi". J. Clin. Oncol. 23 (36): 9198–207. doi: 10.1200/JCO.2005.02.907 . PMID 16172458.
- ↑ Edwards-Bennett SM, Jacks LM, Moskowitz CH, Wu EJ, Zhang Z, Noy A, Portlock CS, Straus DJ, Zelenetz AD, Yahalom J (2010). "Stanford V program for locally extensive and advanced Hodgkin lymphoma: the Memorial Sloan-Kettering Cancer Center experience". Ann. Oncol. 21 (3): 574–81. doi: 10.1093/annonc/mdp337 . PMID 19759185.