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Tuesday, October 21, 2008

Hypopigmentation in a Young Child

Presented by Dr. Henry Foong
Ipoh, Malaysia

History: A 6 year old boy presented with patches of hypopigmentation on the trunk and extremities since one year's of age. It was occasionally pruritic. He is otherwise well and has no history of fever or other constitutional symptoms. There was no family history of similar problem and no personal or family history of atopy.

Examination showed the skin was quite dry. Multiple irregular patches of hypopigmentation 2-4 cm diameter were distributed over the back of trunk involving both the lower back extending to the gluteal areas, the arms and anterior chest wall. Sensation was normal in the affected areas.

Photos:































Lab: KOH examination did not reveal hyphae or spores.
Pathology: Biopsy not performed as yet.

Diagnosis: ? Progressive Macular Hypopigmentation ? Pityriasis Alba

Questions: Have you seen this in a young child?? What is your diagnosis and therapeutic recommendations.

Reference:
Progressive macular hypomelanosis: an overview.
Relyveld GN, Menke HE, Westerhof W.
Am J Clin Dermatol. 2007;8(1):13-9.
The Netherlands Institute for Pigment Disorders, Academic Medical Center,
University of Amsterdam, Amsterdam, The Netherlands.



Tuesday, October 14, 2008

Distinctive Disorder

The patient is a seven-year old girl with a one year history of a linear band of confluent hypopigmented scaly papules. She has Fitzpatrick Skin Type IV.



The clinical diagnosis is Lichen Striatus.

Reference: You can read a good chapter about L.S. on: Emedicine.com

Questions: This does not particularly bother the child or her parents. Would you treat this? And if so with what? A topical corticosteroid? Pimecrolimus? Tacrolimus? Other?

Sunday, October 5, 2008

Clam Digger's Legs

Mike LaCombe, a cardiologist from Maine, has a question for our panel.

"G.M. is a 48 y.o. clam digger from Maine. These individuals are exposed to avian schistosomiasis, and on a web search, the consequent clam-digger’s itch has been rarely associated with lymphedema.

Sorry, I have no pictures. This man has well-documented lymphedema of the lower extremities for six months.

All studies negative: CT scans of pelvis, abdomen, chest, ultrasound of leg veins, cardiac echo ruling out any cor pulmonale, and labs showing no evidence of liver disease, hypoalbuminemia.

My questions are:
1. Does anyone have any experience with this?
2. Any specific tests to confirm the diagnosis?
3. Therapy suggestions?
"

There are more things in heaven and earth, Horatio, than are dreamt of in your philosophy." Always something new.