Indian Journal of Pathology and Microbiology

CASE REPORT
Year
: 2019  |  Volume : 62  |  Issue : 2  |  Page : 287--289

A unique case of eyelid metastasis from chondroid chordoma


Huayan Ren, Xueyan Zhao, Na Wei, Huifen Huang, Wencai Li, Huixiang Li 
 Department of Pathology, The First Affiliated Hospital of Zhengzhou University; Department of Pathology, Basic Medicine College of Zhengzhou University, Zhengzhou, China

Correspondence Address:
Huixiang Li
Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, Zhengzhou University, Jianshe Road, Erqi Ward, Zhengzhou, 450052
China

Abstract

A unique case of eyelid metastasis from nasopharyngeal chondroid chordoma in a 63-year-old woman was reported. Chordomas are rare tumors of the bone deriving from remnants of the embryonic notochord. Histologically, the tumor showed lobulated structure and concludes two types of cells: liquid drop cell and small round/cubic cell. Immunohistochemically, AE1/AE3, epithelial membrane antigene (EMA), and S100 showed a uniform and strong positivity. It has a great capacity for recurrence and malignant transformation, despite their slow-growing nature. The most common sites of metastases are liver, lungs, and bones. The eyelid metastasis from chordoma is an extremely rare finding, which may suggest a poor prognosis for the patient. Its significant clinicopathological characteristic could prompt us to take it into consideration when assessing the patient's prognosis.



How to cite this article:
Ren H, Zhao X, Wei N, Huang H, Li W, Li H. A unique case of eyelid metastasis from chondroid chordoma.Indian J Pathol Microbiol 2019;62:287-289


How to cite this URL:
Ren H, Zhao X, Wei N, Huang H, Li W, Li H. A unique case of eyelid metastasis from chondroid chordoma. Indian J Pathol Microbiol [serial online] 2019 [cited 2020 Jan 21 ];62:287-289
Available from: http://www.ijpmonline.org/text.asp?2019/62/2/287/255819


Full Text



 Introduction



Chordoma is a slow-growing malignant tumor originating from remnants of the notochord. It is mostly located in the sacrococcygeal region and usually appears in young individuals and is much more aggressive. The incidence of distant metastasis varies, ranging between 3% and 50% among the different series.[1],[2],[3] The most common sites of metastasis are liver, lungs, and bones. Recently, one case report has found the skin metastasis.[4] We present here the unusual case of a 63-year-old woman with eyelid metastasis from a nasopharyngeal chondroid chordoma.

 Case Report



A 63-year-old woman had nasopharyngeal chordoma diagnosed in 2013. She initially complained of a 3-month history of ear fullness and hearing loss. In early 2013, magnetic resonance imaging (MRI) and enhanced MRI showed a 3 × 2 × 2 cm soft tissue tumor located at nasopharyngeal [Figure 1]. She underwent excision of tumor as soon as possible. The pathology report revealed a white-grayish/red mass [Figure 2]a. Microscopically, at low power, the tumor showed lobulated structure [Figure 2]b; at high power, the tumor concludes two types of cells: One is liquid drop cell (as shown by the arrow mark), in which there are great mucus like substance. This mucus like substance is present in and outside of the tumor cell. The other type is small round or cubic cell, which has eosinophilic cytoplasm. In addition, we can also see the area of cartilage-like tissue [Figure 2]c. Immunohistochemically, AE1/AE3, EMA, and S100 protein were diffusely positive throughout the lesion, with CD68 was negative [Figure 2]d,[Figure 2]e,[Figure 2]f,[Figure 2]g. Proliferative index Ki-67 was approximately 10% [Figure 2]h. These findings were concordant with chondroid chordoma. Twenty-seven months after surgery, asymptomatic locoregional recurrence was found on MRI [Figure 3]. The lesion was completely excised. Pathological findings confirmed chordoma recurrence, and adjuvant radiotherapy was administered. In August 2016, she subsequently had a firm, nontender, erythematous nodule measuring 1.5 × 1 × 0.7 cm under the lid skin of lower lid of right eye [Figure 4]a. She was referred to a dermatologist, and the lesion was excised. Pathological examination found skin metastasis from chondroid chordoma, with immunohistochemical characteristics consistent with the primary tumor [Figure 4]b,[Figure 4]c,[Figure 4]d,[Figure 4]e,[Figure 4]f. Now, although best supportive care is offered, the patient's physical condition is getting much worse, which indicates that there is no long time for her life.{Figure 1}{Figure 2}{Figure 3}{Figure 4}

 Discussion



Chordomas are rare tumors of the bone with an average incidence of 0.1/100,000/year.[5] They are slow-growing tumors that typically remain silent until advanced stages of the disease when they present with locally aggressive behavior and clinical manifestations that vary depending on their location. In clinically, MRI is usually used to characterize the localization and size of the tumor,[6] which is very helpful for doctors in operation.

Depending on its histopathology, chordomas may present as three different variants: classical (the most frequent variant), chondroid, with cartilage-like tissue areas, and dedifferentiated. Most of the previously reported cases were classic variants of chordoma with a few exceptions.[1]

The diagnosis may be challenging because of the tumor's histological similarities with other chondroid lesions. Immunohistochemical staining is useful and is characterized by the tumor's reactivity to epithelial markers. Triple positivity to cytokeratins, EMA, and S100 is a sensitive marker in the diagnosis of this tumor, as it is present in 75%–100% of cases.[7]

The ideal treatment is through an aggressive surgical approach. Classic chemotherapy shows limited efficacy. Molecular research shows that overexpression of KIT receptors suggest a responsiveness to imatinib. In this case, CD117 was also detected by immunohistochemical staining, but it is negative.

Despite an increase in the last decades in the number of reports describing skin involvement in chordomas,[4],[8] these have been commonly related to direct invasion or locoregional involvement, whereas eyelid metastases have remained an extremely uncommon presentation in these tumors. From this case, we speculate that skin metastases may present as a clinical manifestation of advanced disease. Although sometimes skin metastases may be the first symptom of the disease, they generally present as a clinical manifestation of advanced disease, when metastases in other sites are already present.

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

This work was financially supported by The First Affiliated Hospital of Zhengzhou University. National Natural Science Foundation of China(81803011). Henan Provincial Department of Science and Technology Research (82102310512).

Conflicts of interest

There are no conflicts of interest.

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