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Indian Journal of Dermatology
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E-IJD QUIZ
Year : 2015  |  Volume : 60  |  Issue : 5  |  Page : 526
What is masquerading as a cyst


1 Department of Dermatology, PGIMER, Dr. RML Hospital, New Delhi, India
2 Department of Pathology, PGIMER, Dr. RML Hospital, New Delhi, India

Date of Web Publication4-Sep-2015

Correspondence Address:
Seema Rani
D-13, MCD Flats, Gulabi Bagh, Delhi -110 007
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5154.164454

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How to cite this article:
Rani S, Jain A, Ahuja A, Bhardwaj M. What is masquerading as a cyst. Indian J Dermatol 2015;60:526

How to cite this URL:
Rani S, Jain A, Ahuja A, Bhardwaj M. What is masquerading as a cyst. Indian J Dermatol [serial online] 2015 [cited 2021 Aug 3];60:526. Available from: https://www.e-ijd.org/text.asp?2015/60/5/526/164454


A 29-year-old male presented with single asymptomatic reddish swelling over right upper arm for the last 15 to 20 days. No preceding history of trauma was present. Systemic examination was unremarkable. Physical examination revealed a well-defined, soft, non-tender, erythematous, cyst-like growth of size 5 × 4.5 cm, with smooth shiny surface, present over posterior aspect of right upper arm [Figure 1].
Figure 1: Asymptomatic cyst-like lesion

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A provisional diagnosis of foreign body granuloma and inclusion cyst was made. FNAC Picture suggested a parasitic lesion. All investigations including X-ray arm and CT head were within normal limits. No history of seizures was present. Then a deep excisional biopsy was performed which showed proliferation of basaloid cells with ghost cells in the centre and focal foreign body giant cells reaction and calcification on H and E staining [Figure 2] and [Figure 3].
Figure 2: Proliferation of basaloid cells with ghost cells in the center. (H and E ×100)

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Figure 3: Ghost cells, focal foreign body giant cells reaction and calcification. (H and E ×200)

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   What is your diagnosis? Top




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   References Top

1.
Birman MV, McHugh JB, Hayden RJ, Jebson PJ. Pilomatrixoma of the forearm: A case report. Iowa Orthop J 2009;29:121-3.  Back to cited text no. 1
    
2.
Calonje E. Tumours of the skin appendages. In: Burns T, Breathnach S, Cox N, Griffiths C, Editors. Rook's Textbook of Dermatology. 8 th ed. Oxford: Wiley Blackwell; 2010. p. 53.12-3.  Back to cited text no. 2
    
3.
Gupta R, Verma S, Bansal P, Mohta A. Pilomatrixoma of the Arm: A rare case with cytologic diagnosis. Case Rep Dermatol Med 2012;2012:257405.  Back to cited text no. 3
    
4.
Marzouki, A, Chbani B, Bennani A, Lahrach K, Boutayeb F. Giant pilomatricoma of the arm: An unusual presentation (A case report). J Saudi Soc Dermatol Dermatol Surg 2013;17:33-5.  Back to cited text no. 4
    
5.
Pant I, Joshi SC, Kaur G, Kumar G. Pilomatricoma as a diagnostic pitfall in clinical practice: Report of two cases and review of literature. Indian J Dermatol 2010;55:390-2.  Back to cited text no. 5
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