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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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