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Is there a history of drug ingestion? Argyria, arsenic poisoning, and methemoglobinemia are among the considerations in taking a drug history. ... DIAGNOSTIC WORKUP
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Is there generalized pigmentation? The findings of generalized pigmentation would suggest Addison's disease, arsenic poisoning, and occasionally hemochromatosis. When ... DIAGNOSTIC WORKUP
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Disorders of hyperpigmentation can be focal or diffuse. In diffuse hyperpigmentation, it is important to search carefully for an underlying endocrine or other systemic disease, or a history of medications or heavy metals that may explain the... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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Pigmented lesions are very common. The more common lesions are benign, but the physician must accurately rule out a malignant lesion or biopsy the lesion for definitive diagnosis. Nevi, seborrheic keratoses, and dermatofibromas are common... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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Distinguishing between hypopigmentation and depigmentation is crucial to narrowing the differential diagnosis. Hypopigmentation is a decrease in the level of pigmentation of the skin, whereas depigmentation is a total... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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Skin lesions in the genital area are common, and the etiology can range from simple irritation to sexually transmitted diseases to malignancy. The appearance of the lesion, the presence of pain and/or itching, and a description... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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Papulosquamous is a term used for skin lesions that are papular and present in the superficial skin layer (the squamous layer). Papulosquamous rashes are defined as exanthems that have palpable epidermal changes with scale. The... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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Vesicular and bullous rashes must be approached systematically so that serious causes are not missed. Initially, a determination as to whether the lesions are focal or diffuse is made, followed by a history of the lesions, a review of systems... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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Pigmented lesions are very common in children. Most lesions are benign but can be a sign of a genetic syndrome. Malignant melanoma (MM) in children is commonly associated with giant congenital... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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... To recall the causes of a diffuse pigmentation of the skin, one might simply visualize various organs of the body where a cause may originate. The adrenal gland brings to mind Addison
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... Hyperpigmentation, or excessive skin coloring, usually reflects overproduction, abnormal location, or maldistribution of melanin—the dominant brown or black pigment found in skin, hair, mucous membranes, nails, brain... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling
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Pigmentation Disorders
(The 10-Minute Diagnosis Manual: Symptoms and Signs in the Time-Limited Encounter)
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... Michael L. O’Dell
Patients often present complaining of lighter or darker patches of skin. These complaints represent a range of minor to quite serious illnesses.
Approach Classify... History ... Physical examination ... Testing ... Diagnostic assessment
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... Differential Overview
Hyperpigmented Macules
❑ Nevus
❑ Seborrheic keratosis
❑... Diagnostic Approach ... Clinical Findings ... Pictures
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To recall the causes of a diffuse pigmentation of the skin, one might
simply visualize various organs of the body where a cause may originate. The
adrenal gland brings to mind Addison disease, the liver ... Pictures
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... Author:
Johann Peterson, MD
What to Do - Gather Appropriate Data
Tinea capitis is a fungal infection of the hair follicles of the scalp and is more
common in... Suggested Readings
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