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CLINICAL IMAGE
Year : 2019  |  Volume : 149  |  Issue : 5  |  Page : 682-683

Multiple periarticular nodules diagnosed as gout on fine-needle aspiration cytology


Department of Pathology, Smt NHL Municipal Medical College, Ahmedabad 380 006, Gujarat, India

Date of Submission16-Dec-2017
Date of Web Publication12-Aug-2019

Correspondence Address:
Anjali Goyal
Department of Pathology, Smt NHL Municipal Medical College, Ahmedabad 380 006, Gujarat
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijmr.IJMR_1505_17

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How to cite this article:
Goyal A, Patel V. Multiple periarticular nodules diagnosed as gout on fine-needle aspiration cytology. Indian J Med Res 2019;149:682-3

How to cite this URL:
Goyal A, Patel V. Multiple periarticular nodules diagnosed as gout on fine-needle aspiration cytology. Indian J Med Res [serial online] 2019 [cited 2019 Aug 17];149:682-3. Available from: http://www.ijmr.org.in/text.asp?2019/149/5/682/264263

Patient's consent obtained to publish clinical information and images.


A 45 year old male known case of diabetes mellitus and hypertension presented with multiple painless nodules over both hands (at right wrist and multiple interphalangeal joint), both foot and left knee since four years at the surgical outpatient department (OPD) at Vadilal Sarabhai General Hospital, Ahmedabad, Gujarat, India, in February 2016. On examination, nodules were not tender, non-mobile and erythematous [Figure 1]. Radiograph of hands [Figure 2], foot and left knee showed subcutaneous nodule. The differential diagnosis included metastasis, primary tumour and gout since the previous history did not reveal any episodic bouts of arthritis.
Figure 1: Left hand of patient showing a non-mobile and erythematous nodules on the dorsal aspect of the middle phalanx of the middle finger.

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Figure 2: Radiographs of the both hands showing the absence of any bony involvement. A soft-tissue shadow of the subcutaneous nodule over middle phalanx of the left middle finger is seen.

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Fine-needle aspiration from multiple swelling was performed using a 22 mm gauge needle. Aspirate yielded chalky white amorphous material. The aspirated material was fixed with methanol and stained by haematoxylin and eosin. Light microscopy of the slides showed eosinophilic slender needle-shaped crystals with pointed ends distributed singly or in groups [Figure 3]. These showed strong birefringence under polarized light consistent with monosodium urate crystals [Figure 4].
Figure 3: Light microscopy (×40) of the fluid aspirated from the subcutaneous nodule of the left middle finger, showing eosinophilic slender needle-shaped crystals with pointed ends distributed singly and in groups.

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Figure 4: Polarized microscopy of the fluid aspirated from the subcutaneous nodule of the left middle finger, showing strong birefringence of the crystals.

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On further examination, the patient's serum uric acid was 10.59 mg/dl (normal 3.5-7.2 mg/dl), and the diagnosis of gout was confirmed. The patient was treated with oral analgesics and allopurinol 200 mg and was completely symptom free at follow up (approximately eight months after commencing treatment).

Acknowledgment: Authors acknowledge the contribution of Dr Bhavesh Dave, Head of the Surgical Unit, for providing the clinical details and pictures.

Conflicts of Interest: None.


    Figures

  [Figure 1], [Figure 2], [Figure 3], [Figure 4]



 

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