J Korean Ophthalmol Soc.  2013 Jan;54(1):155-159. 10.3341/jkos.2013.54.1.155.

Fibroma of the Medial Canthal Tendon: a Case Report

Affiliations
  • 1Department of Ophthalmology, Dongguk University Gyeongju Hospital, Dongguk University College of Medicine, Gyeongju, Korea.
  • 2Department of Ophthalmology, Dongguk University Ilsan Hospital, Dongguk University College of Medicine, Goyang, Korea. hwang@dumc.co.kr

Abstract

PURPOSE
To report a case of medial canthal tendon fibroma, a rarely observed tumor at the eye or ocular adnexa.
CASE SUMMARY
A 47-year-old female visited our clinic with a two-year history of a hard mass in the medial canthal region. On examination, a 7 x 5 mm2 sized, hard and unmovable subcutaneous mass was palpated. The mass was slowly enlarging and the patient had no symptoms including tearing or pain. To confirm the diagnosis, a total excision of the mass was performed under local anesthesia. The tumor was a well-demarcated, 7 x 5 x 2 mm3 sized, white oval mass. The histopathologic examination of the specimen revealed dense collagen bundles with scattered fibroblasts. Based on these findings, the lesion was diagnosed as a fibroma. Although rare, fibromas should be included in the differential diagnosis of medial canthal tumors.

Keyword

Fibroma; Medial canthal tendon

MeSH Terms

Anesthesia, Local
Collagen
Diagnosis
Diagnosis, Differential
Female
Fibroblasts
Fibroma*
Humans
Middle Aged
Tendons*
Collagen

Figure

  • Figure 1. The subcutaneous mass (black arrow) is visible on the medial canthal area. It was rock-hard and unmovable.

  • Figure 2. Axial (A) and coronal (B) orbital CT show a 7 × 5 mm2 sized, ill demarcated, focally enhancing preseptal lesion near the right medial canthus (white arrows).

  • Figure 3. The photographs show(A) well demarcated mass at the medial canthal area. (B) The floor of mass was firm-ly attached to periosteum.

  • Figure 4. Grossly the mass was smooth-surfaced and whitish. The mass measuring 7 (horizontal) × 5 (vertical) × 2 (height) mm3.

  • Figure 5. Histopathologic examination of the mass revealed dense collagen bundles with scattered fibroblast (H-E, ×200).


Reference

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