ArticleClinical journal of gastroenterology2021
Metastatic colorectal micropapillary carcinoma presenting as lymphangitic lung carcinomatosis.
Article in Clinical journal of gastroenterology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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9 authors at 4 institutions in 3 countries.
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Abstract
Pulmonary lymphangitic carcinomatosis denotes the infiltration of tumor cells into the lung parenchymal lymphatic channels. Breast, lung, stomach, and colon adenocarcinoma are the most common origin of this invasion pattern. The micropapillary variant of colorectal adenocarcinoma has a high rate of lymph node metastases and poor overall survival. A 49 year-old man with a 6 months history of persistent cough and a relevant occupational chemical exposure had a computed tomography that showed bilateral interstitial lung infiltrates. The lung biopsy demonstrated a micropapillary adenocarcinoma with diffusely obstruction of the lung parenchymal lymphatics. The immunohistochemistry confirmed a colorectal origin. The colonoscopy evidenced a mass with identical morphology. Colorectal micropapillary carcinoma with metastatic lung lymphangitic carcinomatosis can occur, as a persistent cough, as presenting symptom in extraordinarily rare cases. To the best of our knowledge, this is the first case of an alive patient with colorectal metastatic micropapillary carcinoma presenting with lymphangitic lung carcinomatosis.
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