Lung Cancer

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Alimta (pemetrexed disodium) from Eli Lilly andCompany has received FDA approval for treatmentof malignant pleural mesothelioma. This orphan drug wasapproved under the FDA’s accelerated program for drugsthat treat cancer or life-threatening disease.

A 59-year-old woman presents with generalized facialswelling and dyspnea that has progressed graduallyover the past month. The patient also reports a sensationof pressure in her neck and ears and swelling of the lowereyelids, neck, upper chest, and upper limbs. The bloodvessels on her upper chest are prominent. A dry, irritatingcough has worsened.

A 48-year-old African Americanwoman with HIV infection who hadbeen hospitalized several days earlierfor presumed Pneumocystis cariniipneumonia (PCP) is readmittedbecause of worsening dyspnea and atemperature of 38.8oC (102oF).She also complains of painful swellingand erythema on her right arm.Her symptoms have worseneddespite treatment with trimethoprimsulfamethoxazole.

In their case report of a woman withsuperior vena cava syndrome (CONSULTANT,September 15, 2002, page1391), Drs Sonia Arunabh and K.Rauhilla appropriately indicate thatradiation therapy is the primary treatmentwhen the syndrome is caused bysolid malignancies.

A 47-year-old man has had a posterior neck mass for severalmonths. The mass is not painful and has not changed color, but it continues toenlarge.

A 62-year-old man has had nightsweats and worsening fever andcough for the last 4 days; 2 days agohe had an episode of hemoptysis. Hedenies trauma or travel to a foreigncountry but has a 30-pack-year smokinghistory. The medical history isotherwise noncontributory.

For 6 months, a 69-year-old man has experiencedpain in his right shoulder; hetakes NSAIDs for relief. During the lastmonth, the pain has worsened, weaknessand tingling have developed in his righthand, and the skin on the right side ofhis face has become dry. The patient alsoreports a 1-month history of melanoticstools. He had smoked 1 pack of cigarettesa day for 50 years before quittinglast year

A 60-year-old woman reportsthat she has felt intermittent“fullness” in her face for the past day.This sensation is present when sheis supine on the examination table.She denies shortness of breath, dysphagia,and chest discomfort. Thepatient has a 25 pack-year history ofcigarette smoking.

A 22-year-old man presents to theemergency department with a2-week history of a worsening nonproductive,irritating dry cough andexertional dyspnea. The patient hasbeen otherwise healthy. He deniesfever, rigors, night sweats, hemoptysis,chest pain, palpitations, orthopnea,paroxysmal nocturnal dyspnea,ankle edema, and lymphadenopathy.

Approximately 90% of cases of lung cancer are attributable to smoking-either directly or as a result of passive exposure. Fifty percent of smokersdie of a smoking-related disease. The 4 most common causes of death-heartattack, lung cancer, chronic obstructive pulmonary disease, and stroke-areall associated with smoking. More lung cancer is diagnosed in former than incurrent smokers.1 The risk of lung cancer decreases each year following smokingcessation, but former heavy smokers will always have a higher risk thannonsmokers.

Abstract: Because of recent advances, more patients may potentially benefit from a variety of interventional bronchoscopic techniques. Nd:YAG laser phototherapy is the most widely used modality and is the treatment of choice for patients with endobronchial malignancies who have large-central airway obstruction. Cryotherapy may be superior to Nd:YAG phototherapy for more distal airways lesions because of the lower risk of airway perforation, but it may be suboptimal for bulky airways disease that requires quick relief of obstruction. Brachytherapy relieves symptoms, such as cough, dyspnea, and hemoptysis, in many patients who have locally invasive airway malignancies. Endobronchial ultrasonography appears to be a safe and sensitive method for staging lung cancer. In select patients with emphysema, a 1-way endobronchial valve can be used to reduce lung volumes. Bronchial thermoplasty is being studied as a potential treatment for asthma. (J Respir Dis. 2006;27(10):415-428)

A 49-year-old man presented to theemergency department (ED) andcomplained of fever and cough thatproduced bloody sputum for 1 day.He had AIDS and recently receiveda diagnosis of large B-cell lymphoma.His most recent CD4+ cellcount was 24/µL. He had optedagainst receiving highly active antiretroviraltherapy and prophylaxisfor opportunistic infection.

A 43-year-old woman presents to the emergency departmentwith fatigue, dyspnea, and intermittent chest painof 3 days’ duration. Her symptoms have worsened sinceshe arose, and 2 hours ago palpitations developed. She describesthe chest pain as a heavy pressure under her sternumthat does not radiate; she denies fever, nausea, vomiting,and diaphoresis.

A 77-year-old woman who had hadanorexia and weakness for 3 monthswas seen after a syncopal episode. Sheappeared pale but alert. Heart rate was110 beats per minute; respiration rate,22 breaths per minute; and blood pressure,170/70 mm Hg. Her hematologicindices were: hemoglobin level, 4.3 g/dL;mean corpuscular volume (MCV), 60fL; mean corpuscular hemoglobin concentration(MCHC), 29 g/dL; red bloodcell count, 1.6 million/μL; white bloodcell count, 7500/μL; and platelet count,452,000/μL.

The patient was a 41-year-old manwith a history of HIV infection diagnosed10 years before admission.He had been noncompliant withtreatment, and therapy with tenofovir,efavirenz, and lamivudinehad not been started until 2 monthsbefore admission, when he presentedto another hospital. At thetime, his CD4+ cell count was156/µL and his viral load was45,743 copies/mL. He also had ahistory of incarceration; had usedinjection drugs, cocaine, alcohol,and marijuana; and had a 20-packyeartobacco history.

A34-year-old woman presents to the emergency department(ED) with rapidly progressive dyspnea.The patient has a history of metastatic vaginal clearcell adenocarcinoma secondary to diethylstilbestrol exposurein utero. Following her diagnosis in 1990, she wastreated with surgery, chemotherapy, and radiation. Shehad done well for years until a recurrence of the cancer tothe left lung was found last year. She completed a courseof chemotherapy with doxorubicin hydrochloride andcisplatin 1 month ago.