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  Table of Contents  
THROUGH THE DERMOSCOPE
Year : 2019  |  Volume : 10  |  Issue : 3  |  Page : 358-359  

Mucoscopy of mucocele


1 Department of Dermatology and STD, ESI-PGIMSR, Basaidarapur, New Delhi, India
2 Department of Dermatology, NDMC Medical College and Hindu Rao Hospital, New Delhi, India
3 Department of Pathology, NDMC Medical College and Hindu Rao Hospital, New Delhi, India

Date of Web Publication17-May-2019

Correspondence Address:
Deepak Jakhar
H.NO-82, V.P.O Goyla Khurd, New Delhi - 110 071
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/idoj.IDOJ_96_18

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How to cite this article:
Kaur I, Jakhar D, Anand P. Mucoscopy of mucocele. Indian Dermatol Online J 2019;10:358-9

How to cite this URL:
Kaur I, Jakhar D, Anand P. Mucoscopy of mucocele. Indian Dermatol Online J [serial online] 2019 [cited 2019 Aug 21];10:358-9. Available from: http://www.idoj.in/text.asp?2019/10/3/358/258613



A 15-year-old boy presented with a swelling on the lower lip for the past 1 month. It was progressively increasing in size and was asymptomatic. The patient gave history of repeated lip biting. On examination, a single slightly bluish, soft, fluctuant nodule (4 × 5 mm) was present on the lower lip [Figure 1]. Rest of the muco-cutaneous examination was noncontributory. Dermoscopy [Dino-Lite AM413ZT, Polarizing, New Taipei, Taiwan] was done using the method suggested by Jakhar et al.[1] Dermoscopy revealed a shiny surface with extensive vascular network (both linear and branched vessels) and intervening white structureless areas [Figure 2]a and [Figure 2]b. On the basis of history, typical location, and clinical examination, a diagnosis of mucocele was made. The lesion was surgically excised [Figure 3]a and sent for histopathology. Histopathology revealed a mucous extravasation cyst in the dermis with mucinophages and mucin in the lumen [Figure 3]b. The mucocele was lined by the granulation tissue (devoid of epithelial lining), infiltrated by histiocytes and inflammatory cells.
Figure 1: An asymptomatic single soft, fluctuant slightly bluish swelling on the lower lip

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Figure 2: (a) Mucoscopy showing extensive vascular network with linear (blue arrow) and branched vessels (black arrow) with intervening white structureless areas (green arrow); (b) Mucoscopy of the surrounding mucosa showing linear and serpentine vessels (black arrow) and absence of white structureless areas [Dino-Lite AM413ZT; ×50; Polarizing]

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Figure 3: (a) Intact mucocele after surgical excision; (b) histology showing a mucous extravasation cyst in the dermis with mucinophages and mucin in the lumen with the cyst wall lined by the granulation tissue (devoid of epithelial lining), infiltrated by histiocytes and inflammatory cells [hematoxylin and eosin; ×100]

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Mucocele is a mucous-filled cyst caused by accumulation of mucous secondary to alterations in minor salivary glands.[2],[3] Lower lip is the most common site in oral cavity, and the most probable etiology includes lip biting or trauma. The diagnosis is usually clinical.[2],[3] Dermoscopy of the mucosa and its pathology has been termed as mucoscopy.[1] The existing dermatoscopes are not designed to perform mucoscopy as swiftly as dermoscopy. Jakhar et al. have suggested an innovative technique of performing mucoscopy and the same technique was used in our patient.[1] The shiny surface of the mucocele and extensive vascular network on mucoscopy appears because of stretching of the overlying tissue and vascular congestion. The white structureless areas correspond to the hyperplastic epithelium. The differentials of mucocele include fibroma, lipoma, oral lymphangioma, and benign or malignant salivary gland tumors.[2],[3] Here, an attempt has been made to describe the dermoscopic features of mucocele and further studies may be needed to substantiate the findings.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
   References Top

1.
Jakhar D, Grover C. Innovative modification of the USB dermatoscope for mucoscopy. J Am Acad Dermatol 2018;78:e3-4.  Back to cited text no. 1
    
2.
Chaitanya P, Praveen D, Reddy M. Mucocele on lower lip: A case series. Indian Dermatol Online J 2017;8:205-7.  Back to cited text no. 2
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3.
More CB, Bhavsar K, Varma S, Tailor M. Oral mucocele: A clinical and histopathological study. J Oral Maxillofac Pathol 2014;18(Suppl 1):S72-7.  Back to cited text no. 3
    


    Figures

  [Figure 1], [Figure 2], [Figure 3]



 

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