Epithelioid Hemangioendothelioma of the Liver Showing Spontaneous Complete Regression after the Cessation of Methotrexate Intake

A 71-year-old man with slight fever and dull abdominal pain was referred to our hospital. He had been receiving methotrexate (MTX) to treat his rheumatoid arthritis for more than 6 years but stopped taking MTX after admission due to the rapid aggravation of his liver function. Computed tomography (C...

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Main Authors: Takahiro Shishimoto, Shoji Oura, Kenichiro Motozato, Hiroto Tanaka, Seigo Takamatsu, Wataru Ono
Format: Article
Language:English
Published: Karger Publishers 2023-08-01
Series:Case Reports in Oncology
Subjects:
Online Access:https://beta.karger.com/Article/FullText/531133
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author Takahiro Shishimoto
Shoji Oura
Kenichiro Motozato
Hiroto Tanaka
Seigo Takamatsu
Wataru Ono
author_facet Takahiro Shishimoto
Shoji Oura
Kenichiro Motozato
Hiroto Tanaka
Seigo Takamatsu
Wataru Ono
author_sort Takahiro Shishimoto
collection DOAJ
description A 71-year-old man with slight fever and dull abdominal pain was referred to our hospital. He had been receiving methotrexate (MTX) to treat his rheumatoid arthritis for more than 6 years but stopped taking MTX after admission due to the rapid aggravation of his liver function. Computed tomography (CT) showed multiple liver lesions with late enhancement, highly suggesting them to be cholangiocarcinomas. Tumor marker levels were normal except for a slightly elevated PIVKA-II level, i.e., 45 mAU/mL (range 0–40 mAU/mL). We did a biopsy to the largest lesion and endoscopic biliary drainage to make a definitive diagnosis of the hepatic lesions and treat jaundice, respectively. Pathological study showed round, polygonal, and spindle-shaped epithelial atypical cells growing in a sarcomatoid fashion. Atypical cells were positive for CD31, CD34, vimentin, and TFE3, and some of them had intracellular vacuoles, leading to the diagnosis of epithelioid hemangioendothelioma (EHE) of the liver. The patient got well 4 weeks after the endoscopic biliary drainage. CTs showed marked regression of the EHE lesions 3 months after biliary drainage and complete regression in 12 months. The patient further developed Hodgkin lymphoma in the para-aortic lymph nodes 23 months after the biliary drainage and is now under chemotherapy for the malignant lymphoma. We, however, have not detected any EHE lesions in the liver or distant organs for at least 16 months after the confirmation of complete regression of the EHE lesions. Oncologists should note the spontaneous regression of the EHE and investigate the correlation between MTX cessation and EHE regression.
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spelling doaj.art-186a35fa6f78450d886386428190bf142023-09-07T07:56:38ZengKarger PublishersCase Reports in Oncology1662-65752023-08-0116162863310.1159/000531133531133Epithelioid Hemangioendothelioma of the Liver Showing Spontaneous Complete Regression after the Cessation of Methotrexate IntakeTakahiro Shishimoto0Shoji Oura1Kenichiro Motozato2Hiroto Tanaka3Seigo Takamatsu4Wataru Ono5Department of Gastroenterology, Kishiwada Tokushukai Hospital, Kishiwada, JapanDepartment of Surgery, Kishiwada Tokushukai Hospital, Kishiwada, JapanDepartment of Gastroenterology, Kishiwada Tokushukai Hospital, Kishiwada, JapanDepartment of Gastroenterology, Kishiwada Tokushukai Hospital, Kishiwada, JapanDepartment of Gastroenterology, Kishiwada Tokushukai Hospital, Kishiwada, JapanDepartment of Gastroenterology, Kishiwada Tokushukai Hospital, Kishiwada, JapanA 71-year-old man with slight fever and dull abdominal pain was referred to our hospital. He had been receiving methotrexate (MTX) to treat his rheumatoid arthritis for more than 6 years but stopped taking MTX after admission due to the rapid aggravation of his liver function. Computed tomography (CT) showed multiple liver lesions with late enhancement, highly suggesting them to be cholangiocarcinomas. Tumor marker levels were normal except for a slightly elevated PIVKA-II level, i.e., 45 mAU/mL (range 0–40 mAU/mL). We did a biopsy to the largest lesion and endoscopic biliary drainage to make a definitive diagnosis of the hepatic lesions and treat jaundice, respectively. Pathological study showed round, polygonal, and spindle-shaped epithelial atypical cells growing in a sarcomatoid fashion. Atypical cells were positive for CD31, CD34, vimentin, and TFE3, and some of them had intracellular vacuoles, leading to the diagnosis of epithelioid hemangioendothelioma (EHE) of the liver. The patient got well 4 weeks after the endoscopic biliary drainage. CTs showed marked regression of the EHE lesions 3 months after biliary drainage and complete regression in 12 months. The patient further developed Hodgkin lymphoma in the para-aortic lymph nodes 23 months after the biliary drainage and is now under chemotherapy for the malignant lymphoma. We, however, have not detected any EHE lesions in the liver or distant organs for at least 16 months after the confirmation of complete regression of the EHE lesions. Oncologists should note the spontaneous regression of the EHE and investigate the correlation between MTX cessation and EHE regression.https://beta.karger.com/Article/FullText/531133epithelioid hemangioendotheliomalivermethotrexatespontaneous regression
spellingShingle Takahiro Shishimoto
Shoji Oura
Kenichiro Motozato
Hiroto Tanaka
Seigo Takamatsu
Wataru Ono
Epithelioid Hemangioendothelioma of the Liver Showing Spontaneous Complete Regression after the Cessation of Methotrexate Intake
Case Reports in Oncology
epithelioid hemangioendothelioma
liver
methotrexate
spontaneous regression
title Epithelioid Hemangioendothelioma of the Liver Showing Spontaneous Complete Regression after the Cessation of Methotrexate Intake
title_full Epithelioid Hemangioendothelioma of the Liver Showing Spontaneous Complete Regression after the Cessation of Methotrexate Intake
title_fullStr Epithelioid Hemangioendothelioma of the Liver Showing Spontaneous Complete Regression after the Cessation of Methotrexate Intake
title_full_unstemmed Epithelioid Hemangioendothelioma of the Liver Showing Spontaneous Complete Regression after the Cessation of Methotrexate Intake
title_short Epithelioid Hemangioendothelioma of the Liver Showing Spontaneous Complete Regression after the Cessation of Methotrexate Intake
title_sort epithelioid hemangioendothelioma of the liver showing spontaneous complete regression after the cessation of methotrexate intake
topic epithelioid hemangioendothelioma
liver
methotrexate
spontaneous regression
url https://beta.karger.com/Article/FullText/531133
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