An Unusual Case of Giant Cell Arteritis With Monoarthritis and Orchitis at Presentation.
A 56-year-old male patient presented with high grade fever and headache for a month associated with proximal myalgias, right ankle synovitis, and bilateral orchitis. His general examination was remarkable for the thickened right superficial temporal artery with scalp tenderness. Lab tests revealed an erythrocyte sedimentation rate of 112 mm/at the end of first hour, a C-reactive protein level of 396.3 (<5) mg/L, normal liver and kidney functions, and an unremarkable urine microscopy. His antinuclear antibodies, cytoplasmic-anti-neutrophil cytoplasmic antibodies, perinuclear-antineutrophil cytoplasmic antibodies, and hepatitis serology were all negative. Ultrasound Doppler of the testes revealed increased vascularity suggestive of orchitis and funiculitis in both testes. Computed tomography angiography of thoracic and abdominal vessels revealed no evidence of vessel aneurysms or stenosis (Figure 1). The temporal artery biopsy (TAB) revealed dense mixed inflammatory infiltrate consisting predominantly of lymphocytes and histiocytes involving the tunica adventitia, and the media with an extension into the intima and near complete destruction of external elastic lamina and focal disruption of internal elastic lamina (Figure 2). There was no fibrinoid necrosis, leukocytoclasia or giant cells in the examined biopsy specimen. Patient was then treated with pulse intravenous methylprednisolone followed by oral steroids and methotrexate. Resolution of symptoms was noted over four weeks. Currently, after six months of follow-up, the patient is stable and on weekly subcutaneous methotrexate 20 mg along with prednisolone five mg/day. A written informed consent was obtained from the patient.
Narvaez et al. (2) found peripheral arthritis in eight of their 73 patients (11%) with GCA, which was typically peripheral, distal, asymmetric, nonerosive, and temporary. Orchitis and epididymitis have been reported previously as the sole urological manifestations of GCA. (3) When the disease has atypical presentation, histological analysis of TAB biopsy specimen plays a key role in distinguishing GCA from non-GCA arteritides. (4) The TAB in our patient revealed panarteritis with a predominant lymphocytic and histiocytic infiltrate, which is consistent with the histological pattern of GCA. (5) Absence of significant leukocytoclasis, neutrophil/eosinophil infiltrate and fibrinoid necrosis argues against the alternative etiology such as polyarteritis nodosa and anti-neutrophil cytoplasmic antibodies vasculitis in our patient. Although giant cells were not visualized in the observed biopsy specimen, they are typically observed in only about half of the biopsy positive patients with GCA and are not mandatory for diagnosis. (6)
In conclusion, GCA can be a great mimicker with varied clinical presentations. While atypical clinical manifestations like arthritis and orchitis may suggest an alternative clinical condition, TAB can establish definitive diagnosis.
Declaration of conflicting interests
The authors declared no conflicts of interest with respect to the authorship and/or publication of this article.
The authors received no financial support for the research and/or authorship of this article.
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(2.) Narvaez J, Nolla-Sole JM, Narvaez JA, Clavaguera MT, Valverde-Garcia J, Roig-Escofet D. Musculoskeletal manifestations in polymyalgia rheumatica and temporal arteritis. Ann Rheum Dis 2001;60:1060-3.
(3.) Peracha J, Nath J, Ready A, Tahir S, Parekh K, Hodson J, et al. Risk of post-transplantation diabetes mellitus is greater in South Asian versus Caucasian kidney allograft recipients. Transpl Int 2016;29:727-39.
(4.) Weyand CM, Goronzy JJ. Clinical practice. Giant-cell arteritis and polymyalgia rheumatica. N Engl J Med 2014;371:50-7.
(5.) Hernandez-Rodriguez J, Murgia G, Villar I, Campo E, Mackie SL, Chakrabarty A, et al. Description and Validation of Histological Patterns and Proposal of a Dynamic Model of Inflammatory Infiltration in Giant-cell Arteritis. Medicine (Baltimore) 2016;95:2368.
(6.) Hochberg MC, Silman AJ, Smolen JS, Weinblatt ME, Weisman MH. Rheumatology. 6th ed. Philadelphia: Elsevier; 2015. p. 1300-9.
Abhishek PATIL,  Sundeep UPADHYAYA,  Vikas KASHYAP,  Rakesh KUMAR,  Neha MISHRA 
 Department of Rheumatology, Indraprastha Apollo Hospitals, Delhi, India
 Department of Pathology, Indraprastha Apollo Hospitals, Delhi, India
 Department of Internal Medicine, Indraprastha Apollo Hospitals, Delhi, India
 Department of Internal Medicine, Ucms & Gtb Hospital, Delhi, India
Received: January 23, 2016 Accepted: April 22, 2016 Published online: April 05, 2017
Correspondence: Abhishek Patil, MD. Department of Rheumatology, Indraprastha Apollo Hospitals, 110076 Delhi, India. Tel: +91 78 3869 3975 e-mail: firstname.lastname@example.org
Caption: Figure 1. Computed tomography angiography of thoracic and abdominal vessels.
Caption: Figure 2. Temporal artery biopsy revealing panarteritis with dense mixed inflammatory infiltrate, disrupting external and internal elastic lamina (H-E x 4 and H-E x 10).
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|Author:||Patil, Abhishek; Upadhyaya, Sundeep; Kashyap, Vikas; Kumar, Rakesh; Mishra, Neha|
|Publication:||Turkish Journal of Rheumatology|
|Article Type:||Letter to the editor|
|Date:||Sep 1, 2017|
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