Solitary Fibrofolliculoma of the Upper Eyelid in a 68-year Old Female: A Case Report

Abstract

Background

Fibrofolliculoma usually is a clinically asymptomatic multiple connective tissue tumor, appearing perifollicular, skin-colored and located on the head or neck. Multiple fibrofolliculomas generally are inherited as an autosomal dominant trait and share clinical characteristics of Birt-Hogg-Dubé (BHD) syndrome, which is associated with multiple fibrofolliculomas, acrochordons, trichodiscomas, and internal neoplasms [1,2].

Fibrofolliculoma, rarely presents as a solitary lesion, since being firstly reported in 1984 [3]. Solitary forms are usually unassociated with other cutaneous abnormalities with typically nonhereditary [4]. Only 12 cases have, to date, been previously published in the literature [3-10]. To our knowledge, our case is the second one reported occurrence on an eyelid [5]. Herein, we presented the clinical features and surgical treatment of a rare solitary fibrofolliculoma located on the upper eyelid of a 68-year-old female.

Case Presentation

A 68-years-old Mongoloid woman presented with an asymptomatic, flesh-colored lesion on the right upper eyelid. The lesion had slowly increased in size over 5 years. No similar lesions were found on other parts of the body. Her medical and family histories were unremarkable, and she had experienced no triggering trauma.

Upon ophthalmologic examination, the protruding lesion was found to be approximately 5×5×4 mm and located on the upper lid margin (Fig. 1a). Palpation of the lesion did not elicit pain, and the lesion was non-slidable. On the photography of anterior segment, the nodule was verified as flesh-colored, dome-shaped, with eyelashes on the smooth surface, and the lesion located on the anterior lamella of the lid margin, without superficial ulceration and dilated blood vessels. (Fig.1b). The conjunctiva, cornea, and lens were unremarkable and so as the fundus examination results. Examinations showed that the left eye was normal. The visual acuity of both eyes was 20/20.

The lesion was removed by shave excision under local anesthesia. The lesion was non-slidable, and it was adherent to the tarsal plate and its covered skin. Anterior lamella of the eyelid was resected with a trigonal wedge, with the removal of 1 mm of extra tissue from the margin of the lesion, and the thin layer of the tarsal plate. The anterior lamella defect of the upper eyelid was repaired using A-T flap. A gray line split was performed on the cut ends of skin defects, then, the skin defects were sutured directly. We checked the preauricular lymph nodes, and no lymphadenopathy was found. After the operation, the patient was compression bandaged for 24 hours.

Histologically examination of the lesion showed a well-defined tumor mass involving a hair follicle, and a proliferation of multiple thin strands of basaloid cells, extending from the central follicle into the surrounding fibrous stroma. The fibrous stroma presented a sharp contrast with the surrounding dermis. Hematoxylin-eosin stains contained mucin content in the stroma (Fig. 2). The histologic findings were characteristic of fibrofolliculoma.

Two weeks after the surgery, the patient had no particular complain.The right upper lid showed almost identical to that of the left (Fig.1c). During the 3-month follow-up, no signs of recurrence or new lesions appeared.

Discussion

The cases of solitary fibrofolliculoma are extremely rare, since being first reported in 1984 [3]. Only eight prior papers, involving 12 cases, have previously been published worldwide [3-10]. We reviewed the previously published cases and found that most lesions were found on the face, with only 2 around the eyes, one on the eyelid and the other on the eyebrow (Table 1). Among all 13 cases, including the present one, solitary fibrofolliculoma occurs more frequently in women (5 men and 8 women), with the mean age at presentation being 51 years. The duration of symptom varying from several months to many years. Solitary fibrofolliculomas share the clinical appearance of multiple fibrofolliculomas, yellowish to flesh-colored, dome-shaped papules.

Histologically, fibrofolliculoma has both an epithelial and a mesenchymal origin, showing distinctive and characteristic features with minor variation [3]. The center of the lesion presents a hair follicle and consists of an expansion of the fibrous root sheath, which typically surrounds the hair follicle, along with proliferating bands or ribbons of perifollicular connective tissue. Cesinaro and coauthors found immunohistochemical expression of factor XIIIa in the bizarre perifollicular cells in a background of CD34-positive spindle cells, which aids for better characterize the nature of the lesion [9].

Since solitary fibrofolliculoma is extremely infrequent and definitively diagnosed only by histological results, it can be easily overlooked or clinically misdiagnosed. The 37-year female patient reported by Chang and coauthors was previously misdiagnosed as chalazion and received incision and curettage only. For years, her condition had not improved, recurring several times [5]. Fortunately, fibrofolliculoma rarely develops to malignancy. Once this type of lesion in the eyelid is observed, a diagnosis of fibrofolliculoma should be considered. As the lesion of the presented case was located on the eyelid, it also should be included as a differential diagnosis from malignant conditions such as basal cell carcinoma and squamous cell carcinomas, which are the most common malignant eyelid tumors. Basal cell carcinomas appear as a translucent, waxy papule with a rolled, pearly border, and telangiectasia. As it enlarges, central ulceration usually develops. Squamous cell carcinomas appear as a painless, elevated, nodular, or plaque-like lesion with chronic scaling and fissuring of the skin. The characteristic features of squamous cell carcinomas also include pearly irregular borders and a tendency to develop ulceration with irregular rolled edges.

 Sharing the characteristics of BHD syndrome, fibrofolliculoma is considered to be hamartomas, composed of both connective tissue and follicular epithelial components [11]. Most fibrofolliculoma may have some common histogenesis such as abnormal function of hair follicle bulge cells, and differential diagnosis should be considered in the histopathological exam.

Surgical excision is usually chosen for the skin fibrofolliculomas in the first operation for pathological diagnosis. The CO₂ laser, or erbium-doped YAG laser, might be a better choice for multiple fibrofolliculomas or recurrent lesions [12-13]. Currently, there are no uniform standards for eyelid lesions. Surgical treatment for an eyelid lesion should be individualized based on the size, growth rate, invasion, and interference with eyelid function and aesthetics [14-15]. Benign eyelid lesions can be treated with less invasive techniques, such as shaving biopsy, and simple excision. For the benign tumors on lid margin, shave excision including a 1-mm margin of normal tissue should be considered [16,17]. Also, postoperative follow-up is necessary to demonstrate early recurrence, and to improve facial appearance as required.

Conclusions

We have presented a rare case of the flesh-colored and doom-shaped lesion arising on the eyelid and show the histologic features of fibrofolliculoma. Although rare, a diagnosis of solitary fibrofolliculoma may be considered when a similar lesion is observed. As the benign tumor on the lid margin, shave excision including a 1-mm margin of normal tissue should be considered. Our report highlights both the clinical and the histopathological features, which are important for appropriate treatment and prognosis prediction.

Abbreviations

BHD syndrome: Birt-Hogg-Dubé syndrome

Declarations

Ethics approval and consent to participate

All procedures performed were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This is a case report, retrospectively describing the course of the diagnostics and therapy, thus does not require the local Bioethical Committee approval.

Consent for publication

Written informed consent was obtained from the patient for the publication of this report and any accompanying images.

Availability of data and materials

More data, if necessary, is available from the corresponding authors upon reasonable request.

Competing interests
The authors declare no competing financial interests

Funding

The study was partially supported by Shanghai Pujiang Program (18PJ1409500), and Natural Science Foundation of Shanghai (18ZR1430300). Wenqiu Wang is the Principle Investigator of the funds.

Authors’ contributions

W.W and J.C. were responsible for the design of the study, surgery for the patient, compiling the data, plus writing and revising the manuscript, which all authors have read and approved. 

Acknowledgments

We thank the patient and her family. 

Contributor Information

Wenqiu Wang, Email: [email protected]

Jinwei Cheng, Email: [email protected]

Reference

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Table

Table 1. Summary of previous reported cases of solitary fibrofolliculoma