Extramedullary plasmacytoma (EMP) is a rare soft tissue plasma cell tumour, usually presenting as a mass within the upper respiratory tract. It is most unusual for it to present in the posterior mediastinum as a primary solitary lesion. Discussed here is the case report of a patient who initially presented with musculoskeletal pain. Subsequent investigations, however, revealed the cause to be an EMP; diagnosis was made on finding aggregates of plasma cells on histological examination of the tissue specimen. The latter had been obtained by way of a computerised tomography scan guided biopsy of the tumour. Bone marrow aspiration studies showed no evidence of multiple myelomatosis. There was significant clinical improvement in response to radiotherapy. It is possible that this might represent one of the first documented reports of a primary solitary EMP in the posterior mediastinum.
It is well known that bronchogenic carcinoma frequently metastasises to the bony skeleton, but it is most unusual for it to present in the form of a musculoskeletal abscess. Presented here is the case report of a patient with what appeared initially to be a right sided gluteal abscess and which turned out to be the metastasis from a bronchogenic carcinoma. The Magnetic Resonance Image (MRI) scan carried out proved to be very helpful in arriving at a probable clinical diagnosis; however, it was histopathological studies of the abscess wall itself that ultimately gave the definitive diagnosis. We believe that this may represent one of the first documented cases in which on MRI scan has been used to confirm the presence of a gluteal abscess.
A 29 year-old lady attended the Accident and Emergency Department of a District General Hospital complaining of increasing black discoloration of the tip of her left middle finger; the appearance resembled that of gangrene. However, it was established that she had been applying silver nitrate to her finger, as prescribed by her general practitioner for the treatment of a small granuloma. Hence, the true diagnosis was of localised tissue necrosis, secondary to application of the silver nitrate sticks. On early discontinuation of the therapy, there was complete recovery. In consequence, it is recommended that the practice of unsupervised local application of silver nitrate to the fingers should be discontinued. Opportunity is taken herein to review the uses of silver nitrate in clinical situations--and of silver in any of its many other forms--together with their respective adverse effects.
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