Related Experiment Video
Updated: Nov 3, 2025
04:04
Endobronchial Ultrasound-guided Intratumoral Injection of Cisplatin for the Treatment of Isolated Mediastinal Recurrence of Lung Cancer
Published on: February 12, 2017
10.7K
[Lung Cancer Cases with Spontaneous Regression].
Fumi Ohsawa1, Hitoshi Igai, Tomohiro Yazawa
1Department of Thoracic Surgery, Japanese Red Cross Maebashi Hospital, Maebashi, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|June 1, 2021
Summary
Spontaneous regression of lung nodules is rare but requires careful follow-up. Regressed lung cancer nodules may regrow, necessitating vigilant monitoring for early detection and treatment.
Area of Science:
- Oncology
- Pulmonology
- Radiology
Background:
- Lung nodules are frequently detected via computed tomography (CT).
- Surgical resection is often planned for suspicious lung nodules.
- Spontaneous regression of lung nodules is an uncommon phenomenon.
Observation:
- Two cases of elderly men with lung nodules detected by CT are presented.
- In both cases, the lung nodules initially regressed after being identified.
- Following regression, the nodules reappeared and increased in size over several months.
Findings:
- Case 1: A 79-year-old man with a regressed left upper lobe nodule diagnosed as adenocarcinoma post-resection.
- Case 2: An 82-year-old man with a regressed right lower lobe nodule diagnosed as squamous cell carcinoma post-resection.
Implications:
- Spontaneous regression of lung cancer is rare but documented.
- Close monitoring of regressed lung nodules is crucial due to potential for recurrence.
- This highlights the importance of continued surveillance in lung nodule management.
Related Concept Videos
02:07Tumor Progression
6.7K
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
6.7K
01:21Cancer Survival Analysis
491
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
491
02:59Cancer Prevention
7.1K
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
7.1K