Open AccessPulmonary tumor thrombotic microangiopathy with thrombus in pulmonary artery caused by diffuse sclerosing variant of thyroid papillary adenocarcinoma: A case report
Author(s) -
Yoshida Masahiro,
Adachi Shiro,
Nishiyama Itsumure,
Yasuda Kenichiro,
Imai Ryo,
Nakano Yoshihisa,
Tsuyuki Yuta,
Kim Deoksu,
Kondo Takahisa,
Murohara Toyoaki
Publication year - 2022
Publication title -
pulmonary circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.791
H-Index - 40
ISSN - 2045-8940
DOI - 10.1002/pul2.12027
Subject(s) - medicine , thrombotic microangiopathy , pathology , thrombus , adenocarcinoma , cancer , autopsy , papillary thyroid cancer , lung cancer , pulmonary embolism , lung , thyroid cancer , disease
Pulmonary tumor thrombotic microangiopathy (PTTM) is a fatal disease associated with malignant tumors that progresses to pulmonary hypertension. Gastric cancer is the most common cause, followed by breast cancer and lung cancer, whereas PTTM due to thyroid cancer has not been reported. In addition to pulmonary obstruction by tumor embolism, tumor cells stimulate endothelial cells to release angiogenetic factors, which induce remodeling of pulmonary arteries and veins and lead to lymphatic obstruction. There is limited information on the relationship between thrombus and PTTM. We herein report an autopsy case with PTTM which was caused by diffuse sclerosing variant of thyroid papillary adenocarcinoma, in which differential diagnosis included the acute phase of chronic thromboembolic pulmonary hypertension.