Chondroblastoma of the distal femur resected through a small fenestra via computed tomography navigation and endoscopy: A case report

Tsuyoshi Miyazaki, Kenzo Uchida, Takafumi Yayama, Hideaki Nakajima, Kazuya Honjoh, Hiroshi Itoh, Yoshinao Oda, Hisatoshi Baba

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Introduction. Chondroblastoma is a benign bone tumor with a relatively high incidence in older children and adolescents during the period of active epiphyseal growth. It is generally regarded as a benign neoplasm, but sometimes it grows aggressively or recurs. To prevent recurrence, complete curettage is important; however, such an approach can be extremely difficult to perform precisely when the chondroblastoma arises deep in the epiphysis. In our patient's case, we used a computed tomography-based navigation system with registration technique involving skin marker fiduciaries and endoscopic curettage of the lesion. Case presentation. A 16-year-old Japanese girl presented to our facility with left knee joint pain, which started nine months before her initial examination. Computed tomography and magnetic resonance imaging studies of the left knee showed a radiolucent lesion with marginal sclerosis and lobular homogeneous hypo-intensity and hyper-intensity signals in the distal epiphysis of the left femoral epiphysis, carried through to the growth plate. To prevent recurrence of chondroblastoma and growth disturbance, we used a computed tomography-based navigation system with registration technique involving skin marker fiduciaries and endoscopic curettage of the lesion. Wide excision with total removal of the chondroblastoma in the distal femur often requires large exposure with associated drawbacks, where a wide excision near the growth plate can potentially lead to growth disturbance. Therefore, in an accessible location in the distal femur, endoscopic excision of chondroblastoma under navigation system guidance can be performed with minimal operative damage. Conclusions: In the setting of a benign intra-osseous lesion infiltrating the growth plate, arthroscopic retrieval or excision under a computed tomography-based navigation system should be considered before proceeding with open surgery.

Original languageEnglish
Article number164
JournalJournal of Medical Case Reports
Volume7
DOIs
Publication statusPublished - Jul 2 2013

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Chondroblastoma
Femur
Endoscopy
Tomography
Epiphyses
Growth Plate
Curettage
Growth
Recurrence
Skin
Arthralgia
Sclerosis
Knee Joint
Thigh
Neoplasms
Knee
Magnetic Resonance Imaging
Bone and Bones
Incidence

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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Chondroblastoma of the distal femur resected through a small fenestra via computed tomography navigation and endoscopy : A case report. / Miyazaki, Tsuyoshi; Uchida, Kenzo; Yayama, Takafumi; Nakajima, Hideaki; Honjoh, Kazuya; Itoh, Hiroshi; Oda, Yoshinao; Baba, Hisatoshi.

In: Journal of Medical Case Reports, Vol. 7, 164, 02.07.2013.

Research output: Contribution to journalArticle

Miyazaki, Tsuyoshi ; Uchida, Kenzo ; Yayama, Takafumi ; Nakajima, Hideaki ; Honjoh, Kazuya ; Itoh, Hiroshi ; Oda, Yoshinao ; Baba, Hisatoshi. / Chondroblastoma of the distal femur resected through a small fenestra via computed tomography navigation and endoscopy : A case report. In: Journal of Medical Case Reports. 2013 ; Vol. 7.
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