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A 58-year-old woman visits your clinic. She had a radical mastectomy and axillary node dissection for breast cancer two years ago. She now notices that her arm becomes swollen by the end of the day. What is the appropriate name for this soft tissue fluid accumulation?

A.

Chylothorax

B.

Fibrinous exudate

C.

Hydrothorax

D.

Lymphedema

E.

Serous exudate

Answer and Explanation

The Correct Answer is D

A. Chylothorax: Chylothorax is the accumulation of lymphatic fluid in the pleural space, usually due to thoracic duct injury or obstruction. It affects the thoracic cavity and does not cause isolated swelling of a limb after mastectomy.

B. Fibrinous exudate: Fibrinous exudate occurs in inflammatory conditions, such as infections or serositis, and contains fibrin strands. It is usually associated with body cavities rather than chronic soft tissue swelling of an extremity.

C. Hydrothorax: Hydrothorax refers to non-inflammatory fluid accumulation within the pleural cavity. It does not involve the soft tissues of the arm and is unrelated to post-mastectomy limb swelling.

D. Lymphedema: Lymphedema is the accumulation of protein-rich interstitial fluid in soft tissues due to impaired lymphatic drainage. After axillary lymph node dissection, the normal lymphatic pathways from the arm are disrupted, leading to progressive swelling, especially by the end of the day or with activity.

E. Serous exudate: Serous exudate is a thin, protein-rich fluid typically seen in acute inflammation or blister formation. It does not cause chronic limb swelling after lymphatic disruption, making it less appropriate for this patient’s presentation.


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Related Questions

Correct Answer is C

Explanation

A. B cell lymphoma:B cell lymphomas are hematologic malignancies affecting lymphoid tissues. Exposure to mineral fibers like asbestos does not specifically increase the risk for B cell lymphomas.

B. Carcinoid tumor:Carcinoid tumors are neuroendocrine tumors that can occur in the lungs or gastrointestinal tract. There is no direct link between asbestos exposure and carcinoid tumor development.

C. Mesothelioma:The presence of needle-like mineral fibers in the sputum is characteristic of asbestos exposure. Asbestos is a well-established risk factor for malignant mesothelioma, a cancer of the pleura or peritoneum. Chronic inhalation of asbestos fibers leads to inflammation, fibrosis, and eventual malignant transformation of mesothelial cells.

D. Teratocarcinoma:Teratocarcinomas are germ cell tumors that arise in the testes, ovaries, or midline structures. Asbestos exposure does not increase the risk for this type of malignancy.

E. Transitional cell carcinoma:Transitional cell carcinoma primarily arises in the urinary tract (bladder, ureters, renal pelvis). While chemical exposures like aromatic amines can increase risk, asbestos fibers are not a causative factor for this tumor type.

Correct Answer is A

Explanation

A. Bacterial pneumonia:This patient presents with acute onset of fever, chills, pleuritic chest pain, productive purulent sputum, and respiratory distress, all of which are classic signs of bacterial pneumonia. Alcoholism predisposes individuals to aspiration and impaired immune defenses, increasing the risk of bacterial lung infections, particularly from anaerobic or gram-negative organisms.

B. Chronic bronchitis:Chronic bronchitis is defined by a productive cough lasting at least three months per year for two consecutive years. While it causes chronic cough and sputum production, it does not typically present acutely with high fever, chills, and severe respiratory distress.

C. Emphysema:Emphysema involves chronic destruction of alveolar walls leading to dyspnea and hyperinflated lungs. It is a chronic, progressive disease and does not present with acute febrile illness or purulent sputum.

D. Laryngitis:Laryngitis affects the upper airway, causing hoarseness, sore throat, and cough. It does not cause purulent sputum, high fever, or severe dyspnea, and it is not a primary cause of lower respiratory distress.

E. Metastatic lung cancer:Metastatic lung cancer can lead to cough, hemoptysis, or dyspnea over weeks to months but usually does not cause sudden-onset fever, chills, and thick purulent sputum. The acute presentation points toward an infectious etiology rather than malignancy.

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