UNASSIGNED: Soft-tissue chondromas are rare, benign cartilaginous tumors predominantly affecting the extremities, often diagnosed in middle-aged individuals without a clear sex predilection. Despite their benign nature, these tumors can pose significant diagnostic challenges due to their slow growth, asymptomatic nature, and potential for mimicking other soft-tissue tumors.
UNASSIGNED: We report a case of a 27-year-old male with an 8-year history of a progressively enlarging mass on the dorsal aspect of the second toe of the left foot, leading to pain, difficulty in walking, and wearing shoes. Initial clinical examination revealed a firm, non-tender swelling with hypoesthesia over the affected area. Radiographic findings suggested a soft-tissue mass with stippled calcification, while magnetic resonance imaging indicated a large altered signal intensity lesion abutting but not arising from the bone. Fine needle aspiration cytology hinted at a benign mixed tumor/chondroid syringoma. An excisional biopsy was performed, revealing a well-circumscribed tumor with lobules of mature hyaline cartilage, consistent with a diagnosis of soft-tissue chondroma. Post-operative period recovery was uneventful except for local flap necrosis which was managed with skin grafting. There was no recurrence at the 1-year follow-up.
UNASSIGNED: Soft-tissue chondromas, while rare and benign, can significantly impact patients\' quality of life. Correct diagnosis, involving a comprehensive evaluation and histopathological confirmation, is crucial for effective management and prevention of unnecessary interventions. This case adds valuable insight into the clinical presentation, diagnostic challenges, and management strategies for soft-tissue chondromas.

Extraskeletal chondromas are small nodular cartilaginous lesions not attached to bone or the periosteum. They are rare tumors commonly occurring in the hands and feet. The objective of the present study is to describe a case of extraskeletal intramuscular chondroma (EIC) in the left knee and the diagnostic challenges faced by us. A 25-year-old female patient presented with slow-growing swelling in the left knee for 2 years. Clinically, the swelling was arising from the quadriceps muscle. We considered possibilities such as rhabdomyoma, neurofibroma, and intramuscular lipoma. Imaging studies suggested a benign fatty tumor. She was treated by excision. Microscopy was consistent with EIC without recurrence. A rare entity, clinically, EIC can mimic other benign soft-tissue tumors. Histopathology exams can provide a definitive diagnosis. The excision of the tumor is curative.

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Benign soft tissue chondroma is a rare type of extraskeletal chondrocytic tumour. It usually can be found in skeletal system in extremities. Head and neck region is one of the most uncommon sites for extraskeletal chondroma .Most common site is tongue and there has been paucity of cases arising from the other subsites .We present a case of 56 years gentleman who came to our OPD with a right masticator space swelling. It was nonmalignant on FNAC. He underwent wide local excision through a transparotid approach. Final biopsy & IHC report showed presence of benign chondrocytic neoplasm- soft tissue chondroma (extraskeletal). No further therapy was used and he has been in follow up since then. To our knowledge ,this is the third reported case of masseteric space chondroma.
UNASSIGNED: The online version contains supplementary material available at 10.1007/s12070-023-03705-5.

Nasal chondromas and nasal atypical cartilaginous tumors (or chondrosarcoma grade 1) are very rare chondrogenic tumors. Approximately 150 cases of nasal chondroma and fewer than 50 cases of nasal atypical cartilaginous tumors have been described. We reported a case with nasal chondroma in the right ethmoid area and a case with a nasal atypical cartilaginous tumor of the anterior septum. No chondroma recurrence was noted for 17 years after endoscopic resection. Recurrence was noted for the nasal atypical cartilaginous tumor 36 months after wide surgical excision via midfacial degloving. Revision surgery was performed again via midfacial degloving. Recurrences of nasal chondroma and atypical cartilaginous tumors are extremely rare. The current data indicate adequate surgical excision, in some cases even radical, as the most important parameter to avoid recurrence. For inoperable recurrent cases of atypical cartilaginous tumors, observation may be followed.

Periarticular chondromas are common in the humerus and femur but rarely occur in the temporomandibular joint. We report a case of a chondroma in the anterior part of the ear. One year prior to his visit, a 53-year-old man became aware of swelling in the right cheek region which gradually increased in size. In the anterior part of the right ear, there was a palpable 25 mm tumor, elastic and hard, with poor mobility and without tenderness. A contrast-enhanced computed tomography CT showed a mass lesion with diffuse calcification or ossification in the upper pole of the parotid gland and areas of poor contrast within. A magnetic resonance imaging showed a low-signal mass lesion at the parotid gland with some high signals in both T1 and T2. Fine-needle aspiration cytology did not lead to diagnosis. Using a nerve monitoring system, the tumor was resected with normal tissue of the upper pole of the parotid gland in the same way as for a benign parotid tumor. Distinguishing between pleomorphic adenoma, including diffuse microcalcification of the parotid gland and cartilaginous tumors of the temporomandibular joint, may be sometimes difficult. In such cases, surgical resection may be a beneficial treatment option.

Background: This study aims to look at the intermediate-term clinical, functional and radiological outcomes of patients with enchondroma in hand treated with osteoscopic-assisted curettage and artificial bone substitute or bone graft. The addition of osteoscopy allows direct visualisation of the bone cavity during and after curettage of tumour tissue without the need of creating a large opening in the bone cortex. This could lead to better clearance of tumour tissue and lower risk of iatrogenic fracture. Methods: A total of 11 patients who received surgery from December 2013 to November 2020 were retrospectively reviewed. All cases had histological diagnosis of enchondroma. Patients with a follow-up period of less than 3 months were excluded. The mean duration of follow-up was 20.9 months. For the clinical outcome, we measured the total active motion (TAM) and graded with Belsky score grip strength. For the functional outcome, the Quick Disabilities of the Arm, Shoulder and Hand Questionnaire (QuickDASH) score was used. For the radiological outcome, we evaluated the X-ray for bone cavity filling defect, new bone formation according to the system proposed by Tordai. Results: The mean TAM of patients was 257º. A total of 60% patients had Belsky score grading excellent, 40% patients had Belsky score grading good. The mean percentage of grip strength compared with the contralateral side was 86.2%. The mean QuickDASH score was 7.7. For the wound aesthetic rating by patients, 81.8% patients reported as excellent. For the radiological outcome, the postoperative X-ray of all patients showed bone filling defect less than 3 mm. The mean time to complete bone consolidation was 3.8 months. None of the patients showed any radiological signs of recurrence. Conclusions: Our study showed that patients with enchondromas in hand treated with this minimally invasive method demonstrated good functional and radiological outcome. Its application may also be extended into treating other benign bone lesions in hand. Level of Evidence: Level IV (Therapeutic).

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An acral fibrochondromyxoid tumor is a newly described type of benign soft tissue neoplasm that presents as a single nodular lesion on a finger or toe. There has only been one previous report on this tumor, a case series that described the initial pathologic and clinical findings; however, details on clinical history, physical examination, and outcome are unknown. In this report, we describe a case of a 39-year-old male who presented with a painful enlarging mass involving the distal right 3rd finger and hyponychium. Punch biopsy was performed and the lesion was identified as an acral fibrochondromyxoid tumor on microscopic examination. X-ray showed no bony involvement. The tumor was successfully excised with complete resolution of pain symptoms. We discuss the clinical features and immunohistochemistry findings of our case in the context of the current limited knowledge about this very rare tumor.