Case Studies From the Network for Oncology Communication and Research

HER2+ Tumor – Relapse after Adjuvant Therapy

Mark Pegram, MD
A 58-year-old postmenopausal attorney develops a 3 cm infiltrating ductal cancer of the left breast. She is treated with lumpectomy and axillary lymphadenectomy. The tumor is found to be poorly differentiated, aneuploid, ER 0%, PR 0%, and HER-2 positive by FISH. One of 12 axillary nodes is found to be positive. Two years after completion of adjuvant chemotherapy with AC and radiation therapy, she develops multiple symptomatic bone metastases and bilateral pulmonary nodules….

Sequential Single Agents vs. Combination Chemotherapy

Andrew Seidman, MD
A 57-year-old postmenopausal advertising executive is diagnosed with a 5 cm infiltrating lobular carcinoma of the right breast. She is treated with modified radical mastectomy and immediate TRAM reconstruction. Pathology reveals a tumor that is poorly differentiated, ER 0%, PR 0%, and FISH negative. Seven of 20 lymph nodes are positive. She receives adjuvant TAC (docetaxel, doxorubicin, cyclophosphamide) for six cycles. Twelve months following completion of her chemotherapy, she develops metastatic disease involving an ipsilateral supraclavicular node, has small (less than 1.5 cm) bilateral pulmonary nodules, and three space-occupying lesions involving the right lobe of the liver…

Metastatic Pancreatic Cancer

Robert Fine, MD
A 58-year-old police sergeant presents with epigastric pain, fatigue, and a 10lb weight loss over the past two months. CT scan of the abdomen reveals a 4 cm mass in the body of the pancreas and three hypodense lesions in the liver. Needle biopsy of the liver reveals poorly differentiated adenocarcinoma consistent with a pancreatic primary. CA-19-9 is markedly elevated…

Ovarian Cancer – Recurrent at Nine Months

John Kavanaugh, MD
A 47-year-old chemist is diagnosed with stage III ovarian cancer. TAH, BSO, omentectomy, and tumor debulking are performed. At the conclusion of surgery there is extensive peritoneal involvement and the largest residual tumor mass is 2.5 cm. She receives Carboplatin and Taxol for six cycles and achieves a complete remission. Nine months after completing treatment, she presents with abdominal pain and ascites…

Metastatic NSCLC: Choice of Therapy

Joan Schiller, MD
A 50-year-old NASA flight director has a three-month history of a cough with occasional blood-tinged sputum, which prompts a medical visit. A chest x-ray reveals a 5 cm mass in the left lower lobe. CT scan of the chest reveals mediastinal adenopathy. Bronchoscopic biopsy of the left lower lobe lesion reveals poorly differentiated large cell carcinoma. CT scan of the abdomen reveals four hypodense lesions involving the right lobe of the liver along with a right adrenal mass. CT-directed liver biopsy confirms metastatic disease…

Gastric Cancer - Metastatic Disease

David Ilson, MD
A 64-year-old bus driver presents with a three-month history of fatigue, early satiety, epigastric pain, and a 7 kg weight loss over the past three months. Over the past two weeks, he has noted intermittent nausea and occasional hiccups, but no vomiting, black tarry stool, or bloody bowel movements. CBC and biochemical profile are within normal limits, with the exception of a mildly elevated alkaline phosphatase. CT of the abdomen reveals a distal gastric mass, enlarged upper abdominal lymph nodes, and multiple liver metastases involving both the right and left lobes, with the largest measuring 3 cm. Upper endoscopy confirms a mass in the gastric antrum…


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