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. 2011 Nov;1(2):71-82.
doi: 10.1055/s-0031-1284217. Epub 2011 Aug 4.

Chondroblastoma of the temporal bone: a case series, review, and suggested management strategy

Luke B Reid  1 , David S Wong, Bernard Lyons
Affiliations

Chondroblastoma of the temporal bone: a case series, review, and suggested management strategy

Luke B Reid et al. Skull Base Rep. 2011 Nov.

Abstract

Chondroblastoma of the temporal bone is a rare condition. Chondroblastomas account for less than 1% of primary bone tumors, and those involving the temporal bone represent a tiny fraction of these tumors with most arising from the knee, rib, and pelvis. We present a case series of two patients who presented with chondroblastomas of the temporal bone over a period of 8 years to the St. Vincent's Hospital in Melbourne, Victoria, Australia. In particular, we outline the presenting complaint, diagnostic imaging undertaken, and the importance of preoperative histopathology in coming to the diagnosis and subsequent resection undertaken. A review of the current literature is presented with a suggested management strategy for these tumors.

Keywords: Chondroblastoma; management; multidisciplinary; team; temporal bone.

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Figures

Figure 1
Figure 1
(A) Case 1: Axial CT bone windows. (B) Case 1: Axial T2 MRI. (C) Case 1: T2 Coronal MRI.
Figure 2
Figure 2
(A) Case 2: MRI Axial. (B) Case 2: MRI Coronal.
Figure 3
Figure 3
Case 2: Bone scan.
Figure 4
Figure 4
(A) Case 1: A low power H&E view demonstrating interface of tumor (bottom right) with soft tissue (left) and bone destruction (top right). (B) Case 1: A medium power H&E view in which there is a cellular tumor composed of plump to spindled cells with admixed osteoclast-like multinucleated giant cells (bottom left). Entrapped trabecular bone is present (top). (C) Case 1: Focally, areas of “chicken-wire” pericellular calcification is a characteristic feature of chondroblastoma. (D) Case 2: In this low power H&E view there is soft tissue (top right) and bony (mid bottom) infiltration by tumor (left). Hemosiderin pigment is prominent. (E) Case 2: As well as cellular areas with many osteoclast-like giant cells (top right) as seen in the first case, there were also prominent light staining chondroid lobules. (F) Case 2: Higher magnification of the same area in 4E reveals the “pavimented” array of plump chondroblasts with surrounding pericellular calcification.
See this image and copyright information in PMC

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