Imaging Features of Periosteal Chondroma Manifesting as a Subcutaneous Mass in the Index Finger

Kosaka, Hidetomo; Nishio, Jun; Matsunaga, Taiki; Aoki, Mikiko; Iwasaki, Hiroshi; Naito, Masatoshi

doi:10.1155/2014/763480

Cited by 6 publications

(9 citation statements)

References 10 publications

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“…The three fundamental radiographic features of PC are: scalloping/remodeling of the adjacent bony cortex, presence of cartilaginous matrix radiographically, and possible soft tissue mass component [ 15 ]. On MRI, a PC typically appears as a well-circumscribed, juxtacortical mass with an intermediate signal intensity on T1-weighted images and high-signal intensity on T2-weighted images [ 3 , 16 ]. Extraosseous soft tissue edema may be present adjacent to the lesion on T2-weighted imaging [ 3 ].…”

Section: Discussionmentioning

confidence: 99%

Periosteal Chondroma of the Pelvis: An Uncommon Tumor in an Unusual Location

Prabhakar¹,

Dev²,

Amlashi³

et al. 2021

Cureus

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Periosteal chondromas (PCs) are rare tumors composed of hyaline cartilage that are typically present in long bones and tubular bones of the hand. These lesions are easily mistaken for other, more common tumors. This study reports a case of PC located in the posterior pelvis of a 24-year-old female. The patient initially presented with a four-month history of pelvic pain with a presumptive diagnosis of endometriosis. However, when an MRI was performed, a 6.0 cm x 5.6 cm x 4.5 cm mass was found along the right posterior ilium extending to the ipsilateral sacroiliac joint. The patient underwent intralesional excision and curettage of the mass. Histologic analysis of the excised lesion revealed a proliferation of chondrocytes and abundant hyaline cartilage without chondroblasts, further suggesting the diagnosis of PC. The current study highlights the unusual location of this rare tumor and alerts the physician of the clinical presentation and differential diagnosis.

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Section: Discussionmentioning

confidence: 99%

Periosteal Chondroma of the Pelvis: An Uncommon Tumor in an Unusual Location

Prabhakar¹,

Dev²,

Amlashi³

et al. 2021

Cureus

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“…Periosteal chondroma tends to arise in the metaphysis of the proximal humerus or distal femur. The small tubular bones of the hand are also common sites (2). Periosteal chondroma rarely exceeds 3 cm in maximum diameter and may erode the underlying cortex without penetrating into the medullar cavity.…”

Section: Discussionmentioning

confidence: 99%

“…Plain radiographs commonly reveal a discernible soft-tissue lesion with cortical scalloping, underlying cortical sclerosis and overhanging margins (2,5). The lesion may exhibit a sclerotic rim or thin cortical shell.…”

Section: Discussionmentioning

confidence: 99%

“…CT is useful in identifying the presence of scattered mineralizations. On MRI, periosteal chondroma typically appears as a well-circumscribed mass with intermediate signal intensity on T1-weighted sequences and high signal intensity with variable low signal intensity foci on T2-weighted sequences (2,5,6). Intramedullary involvement is quite uncommon, although surrounding soft-tissue edema may occasionally be observed (5).…”

Section: Discussionmentioning

confidence: 99%

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Periosteal chondroma of the distal tibia: Computed tomography and magnetic resonance imaging characteristics and correlation with histological findings

Nishio

Arashiro

Mori

et al. 2015

Molecular and Clinical Oncology

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Periosteal chondroma is a rare benign hyaline cartilage neoplasm situated on the bone surface. This is the presentation of a unique case of periosteal chondroma arising in the left distal tibial metaphysis of a 25-year-old female patient with a history of antecedent trauma. The physical examination revealed swelling and tenderness in the anterolateral aspect of the left distal lower limb. Plain radiographs revealed a discernible soft tissue lesion with peripheral foci of mineralization. Computed tomography scans confirmed the presence of a surface-based mass with peripheral ossification and a thin rim of calcification. On magnetic resonance imaging, the well-circumscribed mass exhibited intermediate signal intensity on T1-weighted sequences and high signal intensity with foci of decreased signal intensity on T2-weighted sequences. Contrast-enhanced T1-weighted sequences revealed predominantly peripheral enhancement without intramedullary involvement. Following an open biopsy, marginal excision with curettage of the underlying bone cortex was performed. Histologically, the tumor consisted of mature hyaline cartilage arranged in distinct lobules. Foci of ossification with mature bone trabeculae forming a thin shell-like structure were identified in the periphery of the tumor. The mindbomb E3 ubiquitin protein ligase 1 labeling index was <1%. Based on these findings, the tumor was diagnosed as periosteal chondroma. There has been no evidence of local recurrence at 4 months following surgery. Despite its rarity, periosteal chondroma must be considered as a possible diagnosis when confronted with a surface-based, mineralized lesion in the metaphysis of long bones.

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“…They are generally diagnosed at an average age of 22.8 years and account for only 1.9% of all hand tumors. 3,4…”

Section: Discussionmentioning

confidence: 99%

Novel Pathologic Finding of Digital Soft Tissue Chondroma in a Child

et al. 2015

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Unlike osteochondromata that develop in the hand, soft tissue chondromata (STC) devoid of bone and tendinous attachments are exceedingly rare. They have been described in adult patients of middle age, though have not been previously reported in the pediatric population. We report the case of a 9-year-old female that presented with a tender digital mass 6 months following a minor hand injury. After an extensive workup, the mass was surgically excised and diagnosed as an STC. Our case is the first to identify a digital STC in a pediatric patient and expands on the pathologic differential diagnosis. While the true incidence in the pediatric population is unknown, STC should be included in the differential diagnosis when any patient, adult or child, presents with a digital mass.

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Imaging Features of Periosteal Chondroma Manifesting as a Subcutaneous Mass in the Index Finger

Cited by 6 publications

References 10 publications

Periosteal Chondroma of the Pelvis: An Uncommon Tumor in an Unusual Location

Periosteal Chondroma of the Pelvis: An Uncommon Tumor in an Unusual Location

Periosteal chondroma of the distal tibia: Computed tomography and magnetic resonance imaging characteristics and correlation with histological findings

Novel Pathologic Finding of Digital Soft Tissue Chondroma in a Child

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