Localized nasopharyngeal amyloidosis

Localized nasopharyngeal amyloidosis mimicking malignancy

RATIONALE Nasopharyngeal amyloidosis is a benign, slowly progressive disease that is characterized by extracellular eosinophilic deposition. PATIENT CONCERNS We report a rare case of localized nasopharyngeal amyloidosis. DIAGNOSES The initial chief complaint of this patient was frequent epistaxis and right aural fullness. The initial diagnosis was nasopharyngeal tumor. INTERVENTIONS There...

Primary Localized Vesical Amyloidosis Mimicking Bladder Carcinoma: A Case Report

Amyloidosis of urinary bladder is a rare condition and may be primary or secondary in nature. A case of primary localized vesical amyloidosis (VA) in a 40-yr-old man is described confused with neoplasm by cystoscopic, urographic. Surgical specimens obtained by transurethral resection (TUR) were diagnostic and histologically revealed amyloid deposits in sub-epithelial stroma with chronic inflamm...

Oral Localized Amyloidosis

Localized mediastinal amyloidosis: A misnomer?

Amyloidosis is a disease related to abnormal protein folding and deposition of that abnormal protein between cells of the body in various tissues and organs, resulting in multiple clinical manifestations. We report a case of amyloidosis with atypical features, isolated to the mediastinum, in a 75-year-old male who presented with fatigue and shortness of breath. Amyloidosis that is isolated to t...

Localized amyloidosis of the ureter.

A case of localized amyloidosis of the distal ureter in a 51-year-old man is described. Pertinent features of previously reported cases are described, and the difficulty of distinguishing this entity from primary carcinoma of the ureter is discussed.