Image Diagnosis: A Curious Case of Causeless Clubbing



Vishal Sharma, MD; Alka Sharma, MD; Vivek Kumar, MD, DM; Sourabh Aggarwal, MBBS

Perm J 2013 Summer; 17(3):e119

https://doi.org/10.7812/TPP/12-111

A 22-year-old woman was referred for evaluation of protuberance of terminal parts of all her fingers (Figure 1), which had been apparent since childhood. She had no other symptoms like breathlessness, cyanosis, loose stools, bleeding per rectum, abdominal distension, or jaundice. None of her family members had any similar findings. Her evaluation with routine hemogram and liver and kidney function tests, chest roentgenogram, electrocardiogram, echocardiography, and abdominal ultrasonography was normal. A diagnosis of idiopathic clubbing was made.

Clubbing is the bulbous enlargement of terminal area of digits of hands and feet.1 The causes may include pulmonary disorders (bronchogenic carcinoma, mesothelioma, bronchiectasis, lung abscess), cardiovascular disease (cyanotic congenital heart disease, infective endocarditis, cardiac tumors, pulmonary arteriovenous fistula), or gastroenterologic disorders (cirrhosis, inflammatory bowel disease), among others.1,2 On occasion, clubbing may be associated with a genetically inherited rare disorder called pachydermoperiostosis, which is associated with thickening of skin and periostitis.3 Our patient had none of these features and was diagnosed to have idiopathic clubbing.
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References

1. Marrie TJ, Brown N. Clubbing of the digits. Am J Med 2007 Nov;120(11):940-1. DOI: https://doi.org/10.1016/j.amjmed.2007.06.029

2. Sharma V, Kumar V. Muehrcke lines. CMAJ 2013 Mar 19;185(5):E239. DOI: https://doi.org/10.1503/cmaj.120269

3. Akrout R, Bendjemaa S, Fourati H, Ezzeddine M, Hachicha I, Baklouti S. Hypertrophy of the feet and ankles presenting in primary hypertrophic osteoarthropathy or pachydermoperiostosis: a case report. J Med Case Rep 2012 Jan 24;6:31. DOI: https://doi.org/10.1186/1752-1947-6-31

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