Publisher: Kenneth Kee
Publication Date: September 10, 2017
Binding: Kobo eBook
Picker nodule (PN) is a skin disease featured by pruritic (itchy) nodules which normally occur on the arms or legs.
Patients often manifest with multiple ulcerated swollen lesions caused by scratching (skin picking).
PN is also known as Hyde prurigo nodularis, lichen corneus obtusus, prurigo nodularis.
Patients are often tormented by their symptoms which often prove difficult to control with conventional therapy
The most prominent symptom is the excessive itchiness of the skin lesion which makes the patient scratch or picks at the lesion hence the name Picker nodule.
Atopy or allergy
The exact cause of Picker nodule is still unknown.
Picker nodule patients are most often middle-aged to elderly.
Patients with Picker nodule normally have symptoms of a long-standing history of severe, continual pruritus.
Patients can reveal specific locations where they start feeling itchy and where dark-colored nodules develop soon after.
Mature nodules seldom enlarge or reduce in size.
Picker nodule is normally bilaterally symmetrical, with nodules that are either stable or rising in number.
The patient's medical history may be important for several disorders:
1. Hepatic or renal dysfunction
2. Local injury or insult to the skin
6. Hematological malignancies
7. Anxiety or other psychiatric conditions
The patient's history often shows a long list of prescribed medicines (topical and oral) which normally have caused little or no relief of symptoms.
80% of patients have a personal or family history of atopic (allergic) dermatitis, asthma, or hay fever (compared with about 25% of the normal population).
In a true Picker nodule, a nodule forms before any itching begins.
Normally, these nodules are extremely itchy (pruritic) ...