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Treatment with these drugs is exorbitantly expensive and may be needed for life in dogs with continuously active disease, which usually is the case in advanced SH. It is preferable not to invoke such powerful immuno-suppressive therapy in most cases of CH in which spontaneous regression of lesions or episodic disease activation is more likely ...
The disease spectrum results from clonal accumulation and proliferation of cells resembling the epidermal dendritic cells called Langerhans cells, sometimes called dendritic cell histiocytosis. These cells in combination with lymphocytes , eosinophils , and normal histiocytes form typical LCH lesions that can be found in almost any organ . [ 5 ]
A similar disease in humans, Hashimoto-Pritzker disease, is also a Langerhans cell histiocytosis. [1] Dog breeds that may be more at risk for this tumor include Bulldogs, American Pit Bull Terriers, American Staffordshire Terriers, Scottish Terriers, Greyhounds, Boxers, and Boston Terriers. They also rarely occur in goats and cattle. [2]
Before the Histiocyte Society classified histiocytoses in the 1980s, the condition was also known as "Histiocytosis X", where "X" denoted the then unknown cause. [9] [10] [11] It is now known as chronic multifocal Langerhans cell histiocytosis, a subtype of LCH. [3] The disease is rare. [12] Most present between the ages of two and six. [2]
In the rare disease Langerhans cell histiocytosis (LCH), an excess of cells similar to these cells are produced. However LCH cells stain positive to CD14 which is a monocyte marker and shows a different, hematopoietic origin for the disorder. [12] LCH can cause damage to skin, bone and other organs. [citation needed]
Pepto-Bismol is an over-the-counter drug currently produced by the Procter & Gamble company in the United States, Canada and the United Kingdom. Pepto-Bismol is made in chewable tablets [ 24 ] and swallowable caplets, [ 25 ] but it is best known for its original formula, which is a thick liquid.
Letterer–Siwe disease, (LSD) or Abt-Letterer-Siwe disease, is one of the four recognized clinical syndromes of Langerhans cell histiocytosis (LCH) and is the most severe form, involving multiple organ systems such as the skin, bone marrow, spleen, liver, and lung. Oral cavity and gastrointestinal involvement may also be seen.
Indeterminate cell histiocytosis (LCH) is an uncommon proliferative illness where the predominant cells have characteristics from both non-Langerhans cell histiocytosis (NLCH) and Langerhans cell histiocytosis (LCH) in terms of morphology and immunophenotypic characteristics. [1]