Stag's antler sign (lungs)
Citation, DOI, disclosures and article data
At the time the article was created Pradosh Kumar Sarangi had no recorded disclosures.View Pradosh Kumar Sarangi's current disclosures
At the time the article was last revised Mohamed Saber had no recorded disclosures.View Mohamed Saber's current disclosures
The stag's antler sign, also known as the hands-up or inverted moustache sign, refers to upper lobe pulmonary venous diversion in pulmonary venous hypertension or pulmonary edema as seen on an erect frontal chest radiograph.
The prominence of upper lobe pulmonary veins resembles a stag's antlers. It is the earliest sign of pulmonary venous hypertension (grade 1 pulmonary edema).
Rarely a unilateral form has been described 5.
The commonest causes of stag antler sign on chest x-ray are 4:
- left heart failure
- fluid overload
- 1. Daga BVM, Shah VSM, Daga SV. Radiodiagnosis, Nuclear Medicine, Radiotherapy and Radiation Oncology. Jaypee Brothers Medical Pub. ISBN:9350257122. Read it at Google Books - Find it at Amazon
- 2. Vasan SSRS. Textbook of medicine. Orient Black Swan. ISBN:8125012664. Read it at Google Books - Find it at Amazon
- 3. Hurst JW. The heart, arteries, and veins. McGraw-Hill. ISBN:0070314713. Read it at Google Books - Find it at Amazon
- 4. Han J, Han XH, Han RW, Han RL, Han. Antler sign: Pulmonary venous hypertension. (2018) Journal of medical imaging and radiation oncology. doi:10.1111/1754-9485.02_12785 - Pubmed
- 5. Shetty RK, Vivek G, Nayak K, Dias LS. Unilateral inverse moustache sign. (2012) BMJ case reports. doi:10.1136/bcr.03.2012.6095 - Pubmed