• The Journal of the Korean bone and joint tumor society
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• v.15 no.2
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• pp.160-164
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• 2009

The osteopoikilosis is a rare disorder characterized by multiple radiodensities in the metaphysis or in the epiphysis of long tubular bones. The etiology and pathogenesis remain obscure, generally transmitted as an autosomal dominant fashion. The osteopoikilosis is asympotomatic and it is usually found radiologically as an incidental finding. Our case shows a typical clinical feature of the osteopoikilosis, and the biopsy was done to differentiate other disease from the osteopoikilosis.

• Journal of Chest Surgery
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• v.39 no.5 s.262
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• pp.423-425
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• 2006

A case report of lymphangiohemangioma of the mediastinum that was misdiagnosed as thymic origin mass on chest CT and MR angiography. Operative finding revealed vascular proliferation originated from innominate vein and the pathologic finding showed both lymphatic and vascular component which was diagnosed lymphangiohemangioma.

• Korean Journal of Head & Neck Oncology
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• v.26 no.2
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• pp.216-220
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• 2010

Carcinoma ex pleomorphic adenoma is rare, aggressive, poorly understood malignancy that occurs in the salivary glands. The patient was 70-year-old male presenting ovoid elevated submandibular mass that has been present for 30 years and rapid growing for 6 months. The initial cytologic finding by fine needle aspiration biopsy showed highly malignant cells and the radiologic finding revealed a $3.6{\times}3.7{\times}4.8cm$ sized mass with cervical lymphadenopathy. After wide excision of submandibular gland and modified radical neck dissection, the histologic examination revealed that tumor was composed partly of a benign pleomorphic adenoma and partly of an adenocarcinoma component with areas of calcification and frequent angiolymphatic invasion. We present a rare case of adenocarcinoma ex pleomorphic adenoma with tumor thrombus in the submandibular gland.

• Tuberculosis and Respiratory Diseases
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• v.76 no.1
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• pp.42-45
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• 2014

An immunoglobulin G4 (IgG4)-related disease is a recently emerging entity, and a few cases of IgG4-related disease in lung and pleura have been reported. Herein, we report the case of a 74-year-old man with IgG4-related disease of lung and pleura, clinically suspicious of malignant mesothelioma. Chest computed tomography showed diffuse nodular pleural thickening, and microscopic finding disclosed diffuse thickening of visceral pleura with infiltrations of many lymphoplasma cells with increased number of IgG4-positive plasma cells and a few multinucleated giant cells. It is important for pathologists and clinicians to recognize this rare entity and its histologic finding, because it can be confused with malignant tumors on the radiologic examination although it can be treated with steroid therapy.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.30 no.2
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• pp.194-197
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• 2008

Nasolabial cyst is a rare non-odonotogenic, soft-tissue, developmental cyst arising inferior to the nasoalar region of the face. The most common clinical finding of the nasolabial cyst is that of a slowly enlarging asymptomatic swelling typically without radiographic abnormalities. This case report describes a 25-year-old man in which the clinicopathologic findings and an erosive finding on the computed tomographic scan on maxilla were consistent with nasolabial cyst. The histopathologic features, differential diagnosis, treatment and prognosis are discussed.

• Clinics in Shoulder and Elbow
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• v.1 no.2
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• pp.147-153
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• 1998

Biceps tendon dislocation combined with rupture of subscapularis tendon is not a common lesion and there has been few case reported in Korea. We experienced one fifty Six years old male patient who shows typical features on physical examination and roentgenographic finding. He was injured by direct trauma on his right shoulder in adducted and external rotated position. He showed positive findings on passive external rotation test and lift-off test. On MR!, the subscpaularis tendon was totally ruptured and the biceps tendon was dislocated to anteromedial aspect of the glenoid labrum, which was typical finding. On the arthroscopic examination, the subscapularis tendon was totally ruptured from its humeral attachment and the biceps tendon was not seen in its normal anatomical position and it was dislocated antermedially to the glenoid labrum. We repaired the subscapularis tendon to humerus by use of suture anchor and the biceps tendon was relocated to its normal anatomical position in the intertubercular groove. On the post operative 6 months follow up, the patient shows improvements in his subjective symptoms and active range of motion.

• Pediatric Infection and Vaccine
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• v.5 no.1
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• pp.139-142
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• 1998

BCG osteomyelitis is rare comlication and the incidence rate has been estimated to be 1/milion vaccinated neonate and infants. BCG osteomyelitis is also reported as a complication of intravesical BCG treatment for bladder carcinoma. We had experienced a 14 months old infant who presented swelling, tenderness and redness on left upper arm suspicious due to BCG vaccination. The MRI finding showed $2{\times}4{\times}4cm$ subcutaneous abscess with cortical defect on proximal humerus and axillary lymph adenopathy. The histologic finding showed diffuse caseous necrosis and Langhans type giant cell. We report A case of BCG osteomyelitis.

• The Korean Journal of Nuclear Medicine
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• v.32 no.2
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• pp.172-177
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• 1998

We report a case of gastro-colic fistula caused by ectopic gastric mucosa developed at transverse colon. Fistula was detected by colonofiberscopy. And fistulous tract was proved by barium enema. Meckel's diverticulum scan finding was similar to that of GI bleeding; e.g. injected radioactivity was secreted into the lumen and moved along the lumen. There was no bleeding. And there was no diverticulum in the colon. Absence of diverticular pouch may explain this unusual GI bleeding-like scan finding rather than focal collection of radioactivity, which is typical of ectopic gastric mucosa found in the Meckel's diverticulum. Ectopic gastric mucosa was confirmed by colonofiberscopic biopsy. We suggest GI bleeding-like pictures should be included in differential diagnosis of $^{99m}TcO_4$ (ectopic gastric mucosa or Meckel's diverticulum) scan.

• Nuclear Medicine and Molecular Imaging
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• v.41 no.4
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• pp.335-336
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• 2007

Meniscus-like presentation of ulcerating gastric carcinoma on upper gastrointestinal series radiograph was first described in 1921 by Carman and has since been known as a useful differential diagnostic sign in radiology. In 1982 using then newly introduced computed tomography (CT) Widder and Mueller revisited the meniscus sign. Their study was primarily focused on a dynamic assessment of the demonstrability of the meniscus sign that largely depends on the judgment and technical skill of examiner, especially graded compression and patient positioning. One year earlier Balfe et al. assessed the diagnostic reliability of gastric wall thickening as observed on CT scan in adenocarcinoma, lymphoma and leiomyosarcoma and concluded that it is not a reliable finding. In contrast, however, Lee et al. recently emphasized that the wall thickness measurement on CT of exophytic carcinoma, myoma and ulcers was a useful diagnostic means. Thus, it appears that gastric wall thickening or mucosal heave-up is by itself not as reliable as the meniscus sign. The electronic search of world literature failed to disclose earlier report of this sign demonstrated by $^{18}F-FDG$ positron emission tomography and computed tomography (PET/CT). The present communication documents $^{18}F-FDG$ PET/CT finding of the meniscus sign as encountered in a case of ulcerating gastric carcinoma, the histological diagnosis of which was moderately differentiated tubular adenocarcinoma. Unlike most gastric tumors without ulceration that tend to unimpressively accumulate $^{18}F-FDG$ the present case of Borrmann type III gastric carcinoma demonstrated markedly increased $^{18}F-FDG$ uptake.

• The Korean Journal of Pain
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• v.2 no.2
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• pp.198-202
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• 1989

The Tolosa-Hunt syndrome is one of the rare disease with facial, especially peri-orbital pain, and ophthalomoplegia associated mostly with granulomatous lesions in cavernous sinus or superior orbital fissure. In addition to ophthalmoplegia by multiple cranial nerve involvement, the sympathetic nervous system may also be involved leading to Horner's syndrome. A typical Tolosa-Hunt syndrome has a neuro-radiologic finding of an increased density in the involved region, and a laboratory finding of an elevated ESR, as well as a dramatic response to systemic corticosteroid therapy. An unusual case of the Tolosa-Hunt syndrome with normal radiologic and laboratory findings, unresponsive to systemic corticosteroid, and some response of pain relief to a stellate ganglion block, is presented.