Parachordoma of the tibia

Report of a rare case

Jae Soo Koh, Jin-Haeng Chung, Soo Yong Lee, Kyung Ja Cho

Research output: Contribution to journalArticleResearchpeer-review

15 Citations (Scopus)

Abstract

We report a case of recurrent parachordoma of the left anterior tibial region in a 64-year-old male patient. The tumor was a periosteal tender mass, and, histologically, displayed vague nodules of spindle to rounded eosinophilic cells embedded in a myxoid matrix. Large vacuolated (physalphorouslike) cells were noted as in sacrococcygeal chordoma. This tumor should be differentiated from myxoid chondrosarcoma, myxoid liposarcoma, chondromyxoid fibroma, and metastatic chordoma. The presence of physaliphorous cells in the tumor with positive immunoreactions caused by cytokeratin rules out the diagnosis of another myxoid tumor. The differential diagnosis from metastatic chordoma is basically made by clinicians. Even though parachordoma is usually regarded as a benign soft tissue neoplasm, two recurrences occurred in our case. Since the reported cases, including ours, have diverse clinical courses, it is essential to follow-up the patient carefully.

Original languageEnglish
Pages (from-to)269-273
Number of pages5
JournalPathology Research and Practice
Volume196
Issue number4
DOIs
StatePublished - 1 Jan 2000

Fingerprint

Tibia
Chordoma
Neoplasms
Myxoid Liposarcoma
Soft Tissue Neoplasms
Chondrosarcoma
Fibroma
Keratins
Differential Diagnosis
Recurrence

Keywords

  • Chordoma
  • Immunohistochemistry
  • Parachordoma

Cite this

Koh, Jae Soo ; Chung, Jin-Haeng ; Lee, Soo Yong ; Cho, Kyung Ja. / Parachordoma of the tibia : Report of a rare case. In: Pathology Research and Practice. 2000 ; Vol. 196, No. 4. pp. 269-273.
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Parachordoma of the tibia : Report of a rare case. / Koh, Jae Soo; Chung, Jin-Haeng; Lee, Soo Yong; Cho, Kyung Ja.

In: Pathology Research and Practice, Vol. 196, No. 4, 01.01.2000, p. 269-273.

Research output: Contribution to journalArticleResearchpeer-review

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T2 - Report of a rare case

AU - Koh, Jae Soo

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AB - We report a case of recurrent parachordoma of the left anterior tibial region in a 64-year-old male patient. The tumor was a periosteal tender mass, and, histologically, displayed vague nodules of spindle to rounded eosinophilic cells embedded in a myxoid matrix. Large vacuolated (physalphorouslike) cells were noted as in sacrococcygeal chordoma. This tumor should be differentiated from myxoid chondrosarcoma, myxoid liposarcoma, chondromyxoid fibroma, and metastatic chordoma. The presence of physaliphorous cells in the tumor with positive immunoreactions caused by cytokeratin rules out the diagnosis of another myxoid tumor. The differential diagnosis from metastatic chordoma is basically made by clinicians. Even though parachordoma is usually regarded as a benign soft tissue neoplasm, two recurrences occurred in our case. Since the reported cases, including ours, have diverse clinical courses, it is essential to follow-up the patient carefully.

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