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70

P. Imbach

 

 

7.8.3Bone

•Bone involvement occurs in advanced disease with radiologically sclerotic and lytic appearance, mostly seen in vertebral bone and/or pelvic bone

•Technetium scintigraphy or FDG-PET is indicated in patients with bone pain, B symptoms, or a high level of serum alkaline phosphatase

7.9Differential Diagnosis

•Toxoplasmosis, tuberculosis, atypical infection by mycobacteria

•Non-Hodgkin lymphoma characterized by rapid progression; high serum level of lactate dehydrogenase (LDH)

•Infectious mononucleosis

•Metastatic disease

•Thymus hyperplasia

•Rheumatoid arthritis, systemic lupus erythematosus, other autoimmune disorders

•Sarcoidosis, chronic granulomatous disorder

7.10Treatment

•Procedure depends on stage and histopathology

•Multidisciplinary management results in a high cure rate and less toxicity

•Mostly a combination of chemoand radiotherapy is necessary

•Chemotherapy induces marked diminution of tumor burden or remission in stages I, II, and IIIA

•In cases of unsatisfactory response to chemotherapy or in stages III and IV, radiotherapy and occasionally additional chemotherapy is recommended

7.10.1 Chemotherapy

Combinations of cytotoxic agents at monthly intervals (usually 2–6 courses)

 

 

Toxicity

(C)OPPA

Cyclophosphamide (Cytoxan), vincristine

Hypospermia, infertility

 

(Oncovin), procarbazine, prednisone, doxorubicin

cardiomyopathy

 

(Adriamycin)

 

OEPA

Vincristine (Oncovin), etoposide, prednisone,

Cardiomyopathy

 

doxorubicin (Adriamycin)

 

ABVD

Doxorubicin (Adriamycin), bleomycin,

Lung fibrosis

 

vinblastine, dacarbazine

 

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