Differential Diagnosis of Melanoma

Dopa oxidase activity in differential diagnosis of amelanotic melanoma tissue.

The histopathological diagnosis of melanomas with no demonstrable pigment is difficult. Such tumors are to be differentiated from anaplastic carcinomas, especially of the squamous and adeno types, and from sarcomas showing marked anaplasia or spindle cells. In a previous report from this laboratory (1), a colorimetric method for determination of L-3,4-dihydroxyphenylalanine (dopa) oxidase activ...

Balloon Cell Urethral Melanoma: Differential Diagnosis and Management

Introduction. Primary malignant melanoma of the urethra is a rare tumour (0.2% of all melanomas) that most commonly affects the meatus and distal urethra and is three times more common in women than men. Case. A 76-year-old lady presented with vaginal pain and discharge. On examination, a 4 cm mass was noted in the vagina and biopsy confirmed melanoma of a balloon type. Preoperative CT showed n...

etiology, significance, diagnosis and treatment of bruxiam

چکیده ندارد.

Diagnosis of thin melanoma.

P155: Differential Diagnosis of Panic Attacks: Using a Decision Tree

Panic attacks are discrete episodes of intense fear or discomfort accompanied by symptoms such as palpitations, shortness of breath, sweating, trembling, derealization and a fear of losing control or dying. Although panic attacks are required for a diagnosis of panic disorder, they also occur in association with a host of other disorders listed in the 5h version of the diagnostic and statistica...