• The Journal of the Korean bone and joint tumor society
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• v.2 no.1
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• pp.88-93
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• 1996

Neurilemmomas are the most common benign tumor of the peripheral nerve trunks, and arises from the cells in the sheath of Schwann. Neurilemmomas are well encapsulated and may be separated easily from surrounding tissue and lie completely within a larger nerve trunk, with bundles of neurofibrils spread out over the surface of the tumor. A careful dissection and retraction of the nerve bundles will allow the tumor to be enucleated from the parent nerve without any significant interference with the function of the nerve. Resection of the involved nerve is seldom necessary and should be avoided if at all possible. Our aim in microscopic excision of neurilemmoma of extremities is to reduce any disturbance of the intact neurofibrils of the parent nerve. Thirteen cases of neurilimmomas were treated by microscopic excision at the Department of Orthopaedic Surgery, Korea University Hospital between January 1990 and March 1995. The results was as follows ; 1. The average age at surgical intervention was 40.1 years. Cases in fourth and fifth decades predominated. 2. In their anatomical distribution, 8 cases were in the upper extremity and 5 cases in the lower extremity. 11 cases were on the flexor surface. 3. On the operative field, all the tumors were well encapsulated, however 1 case of 13 was adherent to the periosteum of fibula. 4. In all cases, the tumor were enucleated from the parent nerve without any injury to nerve under high-power magnification, preserving individual fascicles, and sensory and motor function.

• Archives of Plastic Surgery
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• v.34 no.4
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• pp.512-515
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• 2007

Purpose: Clear cell hidradenoma, now regarded as an eccrine sweat gland tumor on the basis of its enzyme histochemical and electron microscopic features, occurs as a solitary tumor in most instances. Methods: A 17 year old male presented with asymptomatic nodule, which had developed on nipple with a four years of history and total excision and purse-string suture was then performed. Results: No recurrence was observed 2 months after excision. Histologically, it showed a well circumscribed tumor composed of characteristic clear epithelial cells which are focally arranged in glandular patterns. Conclusion: This case is unique in that the tumor developed on the young male nipple, unusual site and this report emphasizes the benefit of local excision to prevent recurrence of these tumor.

• Archives of Reconstructive Microsurgery
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• v.17 no.1
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• pp.55-59
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• 2008

Varix of the digit is generally defined as an enlarged, tortuous palmar digital vein with or without thrombus within it. It usually presents as a firm, blue mass on the volar aspect of the finger. Mechanical compression or chronic trauma to veins on the volar surface of a digit appears central to the pathogenesis of this lesion. Aging phlebectasia has also been considered as a cause of this lesion in the elderly. A tourniquet test may be useful in demonstrating the presence of a digital varix, but it is confirmed by postoperative microscopic examination. Excision of a symptomatic lesion has proven to be curative. We report two cases of symptomatic digital varix which developed in the fourth finger with a review of literatures.

• Archives of Craniofacial Surgery
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• v.22 no.5
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• pp.276-279
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• 2021

A 65-year-old woman presented with a solid mass on the right temporal area. The mass had grown for over 2 years without any initiating event of trauma or inflammation. Before excision, the patient went through a computed tomography scan, revealing a calcified mass without bony connection. Under general anesthesia, an excisional biopsy was performed. Microscopic examination confirmed a diagnosis of soft tissue osteoma. Soft tissue osteoma is rare, especially in the head and neck region. Osteomas in the temporal region have not been reported yet. Due to its rarity, osteoma might be misdiagnosed as another soft tissue or bone origin tumor. Its treatment of choice is simple excision. In this review, we present an unusual clinical form of soft tissue osteoma.

• Archives of Plastic Surgery
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• v.51 no.1
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• pp.135-138
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• 2024

A patient suffered from chronic ulcer due to recalcitrant fungal infection for 3.5 years. Five antifungal agents and 40 times of debridement—all failed. Finally, radical microscopic debridement was performed for eradication of fungal conidiospores. Since then, there was no recurrence at 2 years of follow-up. Scopulariopsis brevicaulis is one of the rarest pathogens of cutaneous fungal infections, for which multidrug resistance increased the complexity and difficulty of treatment. Radical excision, especially microscopic debridement, was the key for eradication of fungal conidiospores in this case.

• Journal of Chest Surgery
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• v.33 no.9
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• pp.770-772
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• 2000

Primary malignant fibrous histocytoma(MFH) of pleura is very rare. Upon microscopic examination, the tumor was characterized by storiform pattern of growth and intense, diffuse immunostaining for $\alpha$ l-antichymotripsin. We report a case of primary malignant pleural fibers histiocytoma with extension to lung, which was managed by complete excision of pleural mass and lobectomy with thoracoplasty.

• Advances in pediatric surgery
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• v.17 no.2
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• pp.162-169
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• 2011

Branchial cleft anomalies are the second most common head and neck congenital lesions seen in children. Amongst the branchial cleft malformations, second cleft lesions account for 95 % of the branchial anomalies. This article analyzes all the cases of second branchial cleft anomalies operated on at Seoul National University Hospital from September 1995 to February 2011. We analyzed sex, age, symptom and sign, accompanied anomaly, diagnosis, treatment, pathologic report and outcome via retrospective review of medical records. In this series, we had 61 patients (27 female and 34 male). The mean age at the time of operation was 38 months. 31 lesions were on the right, 20 were on the left and 10 were bilateral. The most frequent chief complaints at presentation were non-tender mass and cervical opening without any discharge. According to anatomic type, 29 patients had branchial cleft sinuses, 14 had cysts, 14 had fistulas and 4 had skin tags. Complete excision was attempted if possible and antibiotics challenged when infection was suspected. Complete excision was achieved in 96.7 % of cases. Incision and drainage was done in 2 cases due to severe inflammation, and both recurred. Postoperative complications included wound infection in 2 cases. Microscopic examonation revealed squamous epithelium in 90.2 % and squamous metaplasia in one case in the branchial cleft cyst wall. In summary, second branchial anomaly is found more frequently on right side of neck. Fistulas are diagnosed earlier than cystic forms. Most cases could be diagnosed by physical examination. The definitive treatment is complete excision and sufficient antibiotics coverage for cases with inflammation. After drainage of infected lesions, follow up excision after 1 year might be beneficial for preventing recurrence.

• Archives of Plastic Surgery
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• v.37 no.5
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• pp.708-711
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• 2010

Purpose: The sheath of tendon is uncommon site of tuberculous involvement as compared to other parts of the body. Especially, tuberculous tenosynovitis affecting flexor tendon of the hand is a rare condition. In recent years, furthermore, the incidence of tuberculosis is increasing in our country. Tuberculous tenosynovitis is a chronic, slowly destructive disease, which is difficult to diagnosis before operation, but can be definitively diagnosed by the pathologic microscopic examination. Early detection and surgical excision combined with antituberculous medication is important. We report a rare case of tuberculous tenosynovitis of the flexor tendon of the hand. Method: A 12-year-old woman presented with a painless, nontender mass on palmar side between distal interphalangeal joint and proximal area of metacarpophalangeal joint of the left third finger. We had surgical excision of the involved flexor tendon sheath and studied histopathologically. Result: The histopathological findings were chronic granulomatous inflammation with caseating necrosis consistent with tuberculosis. We started antituberculous medication. Conclusion: Tuberculous tenosynovitis is a rare condition, especially involving on the flexor tendon of the hand. But because of increasing tendency of tuberculosis, it is important to differentiate it from other tumors of the hand.

• The Journal of the Korean bone and joint tumor society
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• v.7 no.1
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• pp.36-40
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• 2001

Kimura's disease is a mass producing uncommon chronic inflammatory process of unknown cause. It is more common among Orientals and affects particularly the young male. Sites of predilection include the head and neck regions, primarily the subcutaneous tissue and dermis. It's clinical course is benign in nature. The treatment modalities for this disease are surgical excision, steroid therapy and radiation therapy. We experienced a case of soft tissue mass in the right upper arm. It was painless and relatively movable. We performed marginal excision of the mass, which was turned out to be Kimura's disease on microscopic examination. In this case, disease recurrence was not found fifteen months after the operation.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.27 no.6
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• pp.565-569
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• 2005

Lichenoid dysplasia is a lesion similar to oral lichen planus with epithelial dysplasia. It can be clinically mistaken for oral lichen planus, but has histologic features of dysplasia and a true malignant predisposition. It is not a variant or transitional form of lichen planus but, instead, represents a distinct entity that has a true potential for malignant transformation. In addition to abnormal epithelial maturation and cytology, lichenoid dysplasia exhibits other histologic features that separate it from oral lichen planus. Lichenoid dysplasia and lichen planus share many clinical and microscopic features, leading to the frequent misdiagnosis of unrecognized lichenoid dysplasia as lichen planus. We experienced a case of lichenoid dysplasia in the oral mucosa. We treated this patient with surgical excision. The patient has now been followed for two months. It is important to recognize this precancerous condition and inspect the excision site and remaining oral mucosa during long-term follow-up.