The association of pemphigus and thymoma is real, although rare. We report a 73-year-old woman presenting with cutaneous bullac and erosions superimposed on erythematous and urticarial plaques, and a positive Nikolsky sign. She. had a large mediastinal mass that proved to be a benign thymoma. Her skin biopsy and direct immunofluorescence test were suggestive of superficial pemphigus.

Extrapulmonary sequestration (EPS) is a rare congenital anomaly usually diagnosed during the first six months of life. It is mostly found between the left lower lobe of the lung and the diaphragm. Mediastinal presentation is extremely rare. We describe two identical cases of extrapulmonary sequestration mimicking mediastinal cystic mass in two boys. These emphasize the need to keep this diagnos...

A 45-year old man with intermittent dyspnea was found to have a large mediastinal mass on chest radiograph. Computerized tomography scan revealed a 14.7 cm anterior mediastinal mass with cystic and solid components. The patient underwent a thoracoscopic resection of the mass without complication. Techniques utilized during this surgery may be helpful in avoiding pitfalls for other surgeons.

Thymolipoma is an uncommon benign neoplasm of the thymus composed of mature adipose and thymic tissue. The diagnosis of thymolipoma should be considered in the case of a mediastinal mass with fat density, especially if it is interspersed with strands of soft tissue attenuation on computed tomography scans. However, it is sometimes difficult to differentiate radiologically between a thymolipoma ...

Mediastinal duplication cyst is a rare cause of mediastinal mass in early infancy. Recurrent retropharyngeal abscess an uncommon presentation cyst. We report case nine year old girl who presented with recurrent abscess. Surgical excision was performed successfully. The mode clinical and management has been discussed.

BACKGROUND Isolated mediastinal involvement in Langerhans cell histiocytosis (LCH) has been rarely reported. CASE CHARACTERISTICS A 3-month-old boy presented with history of low grade intermittent fever, cough and noisy breathing for 2 weeks. OBSERVATION A chest X-ray showed massive mediastinal widening. Biopsy of the mass confirmed LCH. OUTCOME Patient is doing well after one year of tre...