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6. Positive biopsy specimen of a lymph node


                                                (presence of Reed-Sternberg cells) and positive bone
                                                marrow biopsy specimen
                                             7. Computed tomography scan of the liver, spleen, and
                                                bone marrow may be done to detect metastasis.

                                        C. Interventions

                                             1. For early stages without mediastinal node
                                                involvement, the treatment of choice is extensive
                                                external radiation of the involved lymph node
                                                regions.
                                             2. With more extensive disease, radiation and multidrug
                                                chemotherapy are used.
                                             3. Monitor for medication-induced pancytopenia and an
                                                abnormal depression of all cellular components of the
                                                blood, which increases the risk for infection, bleeding,
                                                and anemia.
                                             4. Monitor for signs of infection and bleeding.
                                             5. Protect the child from infection.
                                             6. Monitor for adverse effects related to chemotherapy or
                                                radiation; the most common adverse effect of
                                                extensive irradiation is malaise, which can be difficult
                                                for older children and adolescents to tolerate
                                                physically and psychologically (Table 31-1).
                                             7. Monitor for nausea and vomiting, and administer
                                                antiemetics as prescribed.
                    III. Nephroblastoma (Wilms’ Tumor)
                                A. Description

                                                      1. Wilms’ tumor is the most common intra-

                                                abdominal and kidney tumor of childhood; it may
                                                manifest unilaterally and localized or bilaterally,
                                                sometimes with metastasis to other organs.
                                             2. The peak incidence is 3 years of age.
                                             3. Occurrence is associated with a genetic inheritance
                                                and with several congenital anomalies.
                                             4. Therapeutic management includes a combined
                                                treatment of surgery (partial to total nephrectomy)
                                                and chemotherapy with or without radiation,
                                                depending on the clinical stage and the histological
                                                pattern of the tumor.
                                B. Assessment

                                                      1. Swelling or mass within the abdomen (mass is

                                                characteristically firm, nontender, confined to 1 side,
                                                and deep within the flank)



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