Periosteal chondroma is a slow growing benign cartilaginous tumor of bone. Review of musculoskeletal radiology teaching files on the internet. In the menu at the top, select view make sure thumbnails is checked in the dropdown menu. Distinguishing enchondroma from lowgrade central chondrosarcoma depends on interpreting histologic findings in the light of clinical and radiologic features. There was no history of trauma or any episode of similar pain. These surface lesions may arise from any of the mesenchymal elements present along the bone surface or from the pleuripotent cells found within the periosteum. Periosteal chondroma of the sacrum canadian journal of. Periosteal and soft tissue chondromas orthoinfo aaos. Chondroma symptoms and treatments aurora health care. Concurrent soft tissue chondroma and periosteal chondroma of. Chondroma is an uncommon benign tumour which characteristically forms mature cartilage.
Case report periosteal chondroma of the proximal humerus. Periosteal chondroma is a rare benign tumor of hyaline cartilage. In the long bones, enchondromas do not grow, whereas lowgrade chondrosarcomas grow slowly. These lesions are usually slowgrowing and rarely exceed 3 cm in the greatest dimension. A benign neoplasm of bone surface composed of hyaline cartilage. Periosteal chondroma is a benign hyaline cartilage tumor of the bone surface that develops from the periosteum. So far, this is the second case of its kind to ever be reported at ghayathi hospital. Cortex, periosteal chondroma, scapula, tumor introduction periosteal chondroma, also known as juxtacortical chondroma, is a rare slowgrowing benign cartilaginous tumor that arises adjacent to the cortex beneath the periosteum, with an incidence of about 0. Typically covered by a thin shell of reactive, often ossified periosteum. The proximal humerus is the single most frequently affected site followed by the distal femur.
One of the most common locations is the metaphyseal region of short tubular bones of hands and feet. The mr images nicely demonstrate the lesion originat. The radiographic features of 22 cases of histologically proven periosteal chondroma are analized in detail. Usually located in the diaphysis, occasionally in the metaphysis. Aug 07, 2016 periosteal chondroma histologically the tumor is very similar to enchondroma, but it more frequently displays features of cell proliferation high cellularity, nuclear plumpness, and frequent doublenucleated cells.
Periosteal chondroma medigoo health medical tests and. Periosteal chondroma can be seen from children to adults in all age groups, is located in the backbone of long bones or metaphysis, mostly occur in the proximal humerus. A giant periosteal chondroma of the distal femur successfully. Additionally, if the mass is in the early stages of periosteum chondroma formation, the cortex may not yet be eroded, making it nearly impossible for a ct scan to distinguish between cc and periosteal chondroma based on this characteristic. Robinson p, white lm, sundaram m, kandel r, wunder j, mcdonald dj, janney c, bell rs 2001 periosteal chondroid tumors. Adobe acrobat reader is required to view pdf files. Periosteal chondroma is a rare benign cartilage tumor located on the cortical bone, which may be mistaken clinically and histologically for other. Periosteal chondroma is a rare benign hyaline cartilage neoplasm that occurs most commonly in the metaphases of long tubular bones. The current study reports the case of periosteal chondroma located in the distal femur of a. It arises beneath the periosteum and is characterized by the presence of chondrocytes, a lobulated growth pattern, and calcification. Nojima t, unni kk, mcleod ra, pritchard dj 1985 periosteal chondroma and periosteal chondrosarcoma.
Periosteal chondroma definition of periosteal chondroma by. Enchondroma is a type of benign noncancerous tumor that begins in the cartilage found inside the bones. Male patients are more commonly affected than female patients. How to combine pdf files into one document lifewire. It affects both sexes equally and mainly occurs in patients aged 30 60 years. The authors present a case ofperiosteal chondroma of the proximal humerus. Occasionally, focal areas of mixoid degeneration may result in a mistaken diagnosis of chondrosarcoma. Recognizing periosteal chondrosarcoma and differentiating it from other surface tumors is of capital importance because the prognosis is excellent after adequate local surgery alone. We present a unique case of periosteal chondroma arising in the proximal phalanx of the left index finger in a 12yearold boy. They most often form on the tendons that attach muscles to bone or to the tendon sheaths that keep tendons in place next to bone. Chondroma is a benign tumor of mature hyaline cartilage.
Periosteal chondroma of the ribreport of a case and. Department of surgery, ghayathi hospital, abu dhabi, uae, 2. If the lesion exceeds 5cm a serious possibility of malignancy must be considered. Imaging features of periosteal chondroma manifesting as a subcutaneous mass in the index finger hidetomokosaka, 1 junnishio, 1 taikimatsunaga, 1 mikikoaoki, 2 hiroshiiwasaki, 2 andmasatoshinaito 1 department of orthopaedic surgery, faculty of medicine, fukuoka university, nanakuma, jonanku,fukuoka,j apan. This tumor accounts for less than 2% of all chondrosarcomas and 0.
In order to accurately diagnose either type of chondroma, your doctor will order imaging or tissue tests. Jul 11, 2019 chromosomal abnormalities involving the 12qq15 chromosomal region may be associated with chondroma, especially softtissue chondroma. If calcium flecks are deposited in the lesion, its cartilaginous origin becomes obvious. Ajay pal singh, arun pal singh, and surbhi mahajan. In this article, the authors describe a new case in which a chondroma of the nasal bone caused an external nasal deformity in a 17yearold boy. The present case documents the exceptional finding of a 12yearstanding stc of the hard palate of a 63yearold man. Periosteal juxtacortical chondroma is a slow growing benign cartilaginous tumor, arising within or underneath the periosteum, external to the. Juxtacortical or surface tumors are broadly defined as those arising adjacent to the outer surface of cortical bone.
Learn about chondroma symptoms, tests, diagnosis and the best treatment techniques from world renowned neurology. Soft tissue chondromas stcs are rare and only few cases have been reported in the oral cavity. The purpose of this study was to determine whether the imaging features of periosteal chondroid tumors correlate with histopathology. Periosteal juxtacortical chondroma is a rare benign neoplasm of hyaline cartilage that develops adjacent to the cortical surface of bone, beneath the periosteal membrane. Original article periosteal chondroma of the proximal tibia. Case report imaging features of periosteal chondroma manifesting as a subcutaneous mass in the index finger hidetomokosaka, 1 junnishio, 1 taikimatsunaga, 1 mikikoaoki, 2 hiroshiiwasaki, 2 andmasatoshinaito 1 department of orthopaedic surgery, faculty of medicine, fukuoka university. Nov 22, 2014 periosteal chondromas are rare benign cartilaginous tumors that arise adjacent to the cortex beneath the periosteum. Rare usually 3 cm or less surface of long bone or small bones of hand feet usually teens to twenties, more common in males sites. Periosteal chondromas are most common in the metaphyses of long bones followed by the small tubular bones of the hands and feet.
The authors present a case of periosteal chondroma of the proximal humerus. Epidemiology it is the most common type of juxtacortical or surface osteosarcoma and accounts for 5% of all osteosarcomas. Periosteal chondroma chondroblastoma fibrous dysplasia previous irradiation chondrosarcoma developing on the surface of bone as a result of malignant transformation of cartilage cap of preexisting osteochondroma is ka peripheral chondrosarcoma 27. Periosteal chondroma definition of periosteal chondroma.
Benign and malignant cartilage tumors of bone and joint. It is found mostly in the small bones of the hand andor feet, although it can also occur in long, tubular bones, primarily the humerus, femur and ribs. A chondroma is a benign cartilaginous tumor, which is encapsulated with a lobular growing. Periosteal chondroma atlas of musculoskeletal oncology. In this article, the authors describe a new case in which a chondroma of the nasal bone caused an external nasal deformity in. Wittig, i am writing at a loss to find adequate words to thank you for all that you have done for me. The distinction should be made based on answers to the question, is the lesion growing. Webpathology is a free educational resource with 10177 high quality pathology images of benign and malignant neoplasms and related entities. Boriani s, bacchini p, bertoni f, campanacci m 1983 periosteal chondroma. Chondromas are benign cartilaginous tumors usually localized within the tubular bones of the extremities. Plain radiographs and computed tomography scans showed a.
Chondromas are very rare, benign tumors made of cartilage. They generally have limited growth potential and are not locally. Case report imaging features of periosteal chondroma. A periosteal chondroma develops on the surface of bone, out of the periosteum, which is a strong membrane that covers bones. They are called enchondromas when they occur within the medullary cavity of tubular bones.
We could only find one reported case in the english literature of periosteal chondroma arising from the research and to the best of our knowledge, this is the second reported case. The clinical presentation of periosteal chondromas is varied. Periosteal chondromas comprise less than 1% of bone neoplasms, have preference for the first 3 decades of life, although it can be seen in any age and men predominate over female patients 3. Chondromas are benign cartilageproducing tumors that are commonly found in tubular bones but seldom form in extraosseous soft tissues. What links here related changes upload file special pages permanent link page. In addition, some authors have reported the involvement of chromosomes 6 and 11 in a softtissue chondroma. Original article periosteal chondroma of the proximal. Mesenchymal chondrosarcoma highgrade tumor small round blue cells islands of benignappearing cartilage. May 24, 2016 periosteal chondroma chondroblastoma fibrous dysplasia previous irradiation chondrosarcoma developing on the surface of bone as a result of malignant transformation of cartilage cap of preexisting osteochondroma is ka peripheral chondrosarcoma 27. We report a rare case of periosteal chondroma arising from the left clavicle of a 56 year old male. Jan 23, 2015 periosteal chondroma is a rare benign cartilage tumor located on the cortical bone, which may be mistaken clinically and histologically for other and more common tumors in this location.
Physical examination revealed a slightly protuberant, subcutaneous mass. Furthermore, the mass is relatively small, measuring 2. Less frequent in the humerus, rare in the fibula and other long bones. Because people with pseudogout tend to be older and more susceptible to. It develops adjacent to the cortex of the bone and is rimmed by an intact periosteal membrane. Case report a 35yearold man presented with complaints of back pain with radiation to the outer aspect of his right leg for 1 year. If your open pdf has more than a single page, select a thumbnail in the lefthand side where you want to insert another pdf file. Apr 20, 2018 juxtacortical or surface tumors are broadly defined as those arising adjacent to the outer surface of cortical bone. It usually affects the metaphysis of long bones, by far predominating in the femur, tibia or humerus. Imaging features of periosteal chondroma manifesting as a. By definition, periosteal chondroma must arise from the periosteum and result in pressure changes in the adjacent cortex. Periosteal chondrosarcoma, also known as juxtacortical chondrosarcoma, is a rare malignant cartilaginous tumor arising from the external surface of bone 14. Periosteal chondroma is a benign cartilaginous tumour that is less common than enchondroma and rarely arises at the hand. Periosteal chondrosarcoma is a rare lowgrade malignant cartilaginous tumor arising from the external surface of bone.
Concurrent soft tissue chondroma and periosteal chondroma of thumb 258 european journal of general medicine case a 34yearold man presented with a hard mass on the radial aspect of left thumb. Parosteal osteosarcoma radiology reference article. The small lytic mass associated with the anterolateral cortex of the tibia metaphysis shows evidence of chondroidtype mineralization by radiography rings and arcs pattern of calcification. Roentgenograms reveal a small softtissue mass and an associated cortical excavation with a sclerotic border. Although these tumors can occur both in adults and children, they predominate in patients younger than 30 years, with the highest frequency in the. Periosteal chondroma was first described by lichtenstein and hall in 1952 5, thereafter, other authors described more cases of this entity. Enchondromas arise from rests of growth plate cartilage or chondrocytes that are normally involved in the production and maintainence of the cartilaginous matrix. Parosteal osteosarcoma is a subtype of osteosarcoma and arises from the outer layer of the periosteum. Softtissue chondroma is a benign cartilageforming tumor,usually arising from tenosynovial sheaths or the soft tissue adjacent to tendons in the hands and feet, usually without any connection to the underlying bone. The current study reports the case of periosteal chondroma located in the distal femur of a 14yearold female. Use the slide viewer below to select individual slides. Histologically, the tumor is intermediate to high grade, and the cartilage is lobulated. Periosteal chondromas are rare benign cartilaginous tumors that arise adjacent to the cortex beneath the periosteum.
Histologically the tumor is very similar to enchondroma, but it more frequently displays features of cell proliferation high cellularity, nuclear plumpness, and frequent doublenucleated cells. In xrays, a periosteal chondroma shows up as a soft tissue shadow with erosion of the underlying bone. Rare malignant midline bone tumor arising from fetal notocord, usually within vertebral bodies but possibly also in intervertebral discs or presacral soft tissue. Periosteal chondroma is a rare benign cartilage tumor located on the cortical bone, which may be mistaken clinically and histologically for other and more common tumors in this location. Periosteal chondroma is a slow growing tumor, rarely surpassing 3cm in its greatest dimension. It occurs mostly in the second and third decades of life and is found mostly in long, tubular bones. Periosteal chondromas account for less than 2% of all chondromas. Since the first case report by morgan in 1842, approximately 150 cases of head and neck chondroma have been recorded in the englishlanguage literature. Periosteal chondroma is a slowgrowing benign cartilaginous tumour of periosteal origin. Pathology outlines juxtacortical periosteal chondroma. Here, we describe a 17yearold boy who had a giant periosteal chondroma of the right distal femur, which was treated with intralesional resection and intensive curettage.
Being somewhat painful and causing some swelling in most instances, it usually requires surgical management consisting of either. Periosteal chondroma is one type of chondroma, occurred in the surface of bone, the periosteum, the tendons and ligament. Department of histopathology, madint zayed hospital, uae. Pseudogout page 3 the rheumatologists role in the treatment of pseudogout rheumatologists actively are engaged in research into the causes of pseudogout to better prevent and treat this form of arthritis. Chondroma may be classified according to location of the outgrowth into 3 groups that include enchondrom, periosteal chondroma and synovial chondroma. Chondromas are benign tumours, rare in the head and neck area.
Chondromas are benign tumors composed of mature hyaline cartilage. Clear cell chondrosarcoma has a strong tendency to arise in an epiphysis benign radiographic features and can be confused with chondroblastoma or giant cell tumor. Appears to be embedded in underlying cortical bone. Chromosomal abnormalities involving the 12qq15 chromosomal region may be associated with chondroma, especially softtissue chondroma. It is relatively rare and much less common than enchondroma, accounting for around 2% of chondromas 2.
The mr images nicely demonstrate the lesion originating from the superficial cortex, without intramedullary invasion. However, it is known that benign periosteal or juxtacortical chondromas can have atypia. The typical tumor consisted in an area of outer cortex remodeling scalloping involving the metaphyseal lesion of a long bone with slightly overhanging edges and a small amount of cartilage calcified matrix adjacent to the scalloping. These tests provide clear pictures of dense structures like bone, and are helpful in diagnosing chondromas. You were so generous to give up your time on a weekend to operate on my femur. Periosteal chondroma also known as parosteal chondroma or juxtacortical chondroma is a benign neoplasm arises from the periosteum on the bone surface and a chondral lineage 1. The exact cause of periosteal chondromas is unknown. There is limited literature and limited cases reported of soft tissue. Predominantly sited in the fingers, it is usually solitary, develops in adults, and may causes pain.
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