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Vol 85, No 5 (2017)
CASE REPORTS
Published online: 2017-10-30
Submitted: 2017-03-17
Accepted: 2017-08-23
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Spontaneous regression of FDG/PET positive lung adenocarcinoma in an elderly man

Yukari Miyoshi, Norio Takayashiki, Hiroaki Satoh
DOI: 10.5603/ARM.a2017.0040
·
Adv Respir Med 2017;85(5):246-249.

paid access

Vol 85, No 5 (2017)
CASE REPORTS
Published online: 2017-10-30
Submitted: 2017-03-17
Accepted: 2017-08-23

Abstract

Spontaneous cancer regression, either partial or complete, is a rare phenomenon, particularly in patients with lung cancer. The present paper is the case report of an elderly lung cancer patient aged 80 who exhibited spontaneous regression of the primary lesion, without receiving any treatment. Spontaneous regression commenced two years after obtaining pathological specimens by transbronchial biopsy from the pulmonary lesion. It is interesting that the tumor lesion had a strong uptake (standardized uptake value max: 26.3) in 18fluorodeoxyglucose positron-emission tomography before biopsy and that the regression occurred after a long interval after the biopsy, and that the regression developed in an elderly man. It is unknown why spontaneous regression was observed in this case and what kind of mechanism was involved in the phenomenon. Even in the elderly, as observed in our case, spontaneous regression can occur. The patient should be closely followed up to monitor the clinical course of such an unusual phenomenon.

Abstract

Spontaneous cancer regression, either partial or complete, is a rare phenomenon, particularly in patients with lung cancer. The present paper is the case report of an elderly lung cancer patient aged 80 who exhibited spontaneous regression of the primary lesion, without receiving any treatment. Spontaneous regression commenced two years after obtaining pathological specimens by transbronchial biopsy from the pulmonary lesion. It is interesting that the tumor lesion had a strong uptake (standardized uptake value max: 26.3) in 18fluorodeoxyglucose positron-emission tomography before biopsy and that the regression occurred after a long interval after the biopsy, and that the regression developed in an elderly man. It is unknown why spontaneous regression was observed in this case and what kind of mechanism was involved in the phenomenon. Even in the elderly, as observed in our case, spontaneous regression can occur. The patient should be closely followed up to monitor the clinical course of such an unusual phenomenon.

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Keywords

spontaneous regression; FDG/PET; lung adenocarcinoma

About this article
Title

Spontaneous regression of FDG/PET positive lung adenocarcinoma in an elderly man

Journal

Advances in Respiratory Medicine

Issue

Vol 85, No 5 (2017)

Pages

246-249

Published online

2017-10-30

DOI

10.5603/ARM.a2017.0040

Bibliographic record

Adv Respir Med 2017;85(5):246-249.

Keywords

spontaneous regression
FDG/PET
lung adenocarcinoma

Authors

Yukari Miyoshi
Norio Takayashiki
Hiroaki Satoh

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