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LDS may refer to:
Lymphedema, also known as lymphoedema and lymphatic edema, is a condition of localized swelling caused by a compromised lymphatic system. The lymphatic system functions as a critical portion of the body's immune system and returns interstitial fluid to the bloodstream. Lymphedema is most frequently a complication of cancer treatment or parasitic infections, but it can also be seen in a number of genetic disorders. Though incurable and progressive, a number of treatments can improve symptoms. Tissues with lymphedema are at high risk of infection because the lymphatic system has been compromised.
Edema, also known as fluid retention, dropsy, hydropsy or swelling, is the buildup of fluid in the body's tissue. Most commonly, the legs or arms are affected. Symptoms may include skin which feels tight, the area may feel heavy, and affected joints may be hard to move. Other symptoms depend on the underlying cause.
Elephantiasis is the enlargement and hardening of limbs or body parts due to tissue swelling. It is characterised by edema, hypertrophy, and fibrosis of skin and subcutaneous tissues, due to obstruction of lymphatic vessels. It may affect the genitalia. The term elephantiasis is often used in reference to parasitic worm infections, but may refer to a variety of diseases where parts of a person's body swell to massive proportions.
Lipedema is a disorder where there is enlargement of both legs due to deposits of fat under the skin. Typically it gets worse over time, pain may be present, and sufferers bruise easily. In severe cases the trunk and upper body may be involved. Lipedema is commonly misdiagnosed.
Lymphangiosarcoma is a rare cancer which occurs in long-standing cases of primary or secondary lymphedema. It involves either the upper or lower lymphedematous extremities but is most common in upper extremities. Although its name implies lymphatic origin, it is believed to arise from endothelial cells and may be more accurately referred to as angiosarcoma.
Yellow nail syndrome, also known as "primary lymphedema associated with yellow nails and pleural effusion", is a very rare medical syndrome that includes pleural effusions, lymphedema and yellow dystrophic nails. Approximately 40% will also have bronchiectasis. It is also associated with chronic sinusitis and persistent coughing. It usually affects adults.
Stewart–Treves syndrome, refers to a lymphangiosarcoma, a rare complication that forms as a result of chronic, long-standing lymphedema. Although it most commonly refers to malignancies associated with chronic lymphedema resulting from mastectomy and/or radiotherapy for breast cancer, it may also describe lymphangiosarcomas that result from congenital and other causes of chronic secondary lymphedema. Lymphangiosarcoma arising from cancer-related lymphedema has become much less common with better surgical techniques, radiation therapy, and conservative treatment. The prognosis, even with wide surgical excision and subsequent radiotherapy, is poor.
Lymphedema–distichiasis syndrome is a medical condition associated with the FOXC2 gene. People with this hereditary condition have a double row of eyelashes, which is called distichiasis, and a risk of swollen limbs due to problems in the lymphatic system.
Chronic progressive lymphedema (CPL) is a disease of some breeds of draft horse, whereby the lower legs becomes progressively more swollen. There is no cure; the aim of treatment is to manage the signs and slow progression of the disease. The cause of CPL is not known, although it is suspected that a genetic disorder of elastin metabolism prevents the lymphatic vessels from functioning properly, leading to edema of the lower limbs. CPL resembles the human disease elephantiasis verrucosa nostra.
Lymphatic disease is a class of disorders which directly affect the components of the lymphatic system.
Milroy's disease (MD) is a familial disease characterized by lymphedema, commonly in the legs, caused by congenital abnormalities in the lymphatic system. Disruption of the normal drainage of lymph leads to fluid accumulation and hypertrophy of soft tissues.
Lymphedema praecox is a condition characterized by swelling of the soft tissues in which an excessive amount of lymph has accumulated, and generally develops in females between the ages of nine and twenty-five.This is the most common form of primary lymphedema, accounting for about 80% of the patients.
Secondary lymphedema is a condition characterized by swelling of the soft tissues in which an excessive amount of lymph has accumulated, and is caused by certain malignant diseases such as Hodgkin's disease and Kaposi sarcoma.
Postinflammatory lymphedema is a condition characterized by swelling of the soft tissues in which an excessive amount of lymph has accumulated, and is caused by repeated bacterial infections.
Factitial lymphedema is a skin condition produced by wrapping an elastic bandage, cord, or shirt around an extremity, and/or holding the extremity in a dependent and immobile state.
Elephantiasis nostras is a cutaneous condition, a final hypertrophic fibrosis following longstanding chronic lymphangitis.
Lymphotherapy is a method by which pressure applied on specific lymph nodes alters lymphatic response. Proponents state it can be used for lymphedema and breast cancer.
Hypotrichosis–lymphedema–telangiectasia syndrome is a congenital syndrome characterized by lymphedema, the presence of telegiectasias, and hypotrichosis or alopecia. Lymphedema usually develops in the lower extremities during puberty. Hair is normal at birth, but usually lost during infancy. Telangiectasias may present on the palms and soles more commonly than on the scalp, legs, and genitalia. The syndrome has been reported in association with both autosomal dominant and autosomal recessive inheritance patterns.
Stasis papillomatosis is a disease characterized by chronic congestion of the extremities, with blood circulation interrupted in a specific area of the body. A consequence of this congestion and inflammation is long-term lymphatic obstruction. It is also typically characterized by the appearance of numerous papules. Injuries can range from small to large plates composed of brown or pink, smooth or hyperkeratotic papules. The most typical areas where injuries occur are the back of the feet, the toes, the legs, and the area around a venous ulcer formed in the extremities, although the latter is the rarest of all. These injuries include pachydermia, lymphedema, lymphomastic verrucusis and elephantosis verracosa. The disease can be either localized or generalized; the localized form makes up 78% of cases. Treatment includes surgical and pharmaceutical intervention; indications for partial removal include advanced fibrotic lymphedema and elephantiasis. Despite the existence of these treatments, chronic venous edema, which is a derivation of stasis papillomatosis, is only partially reversible. The skin is also affected and its partial removal may mean that the skin and the subcutaneous tissue are excised. A side effect of the procedure is the destruction of existing cutaneous lymphatic vessels. It also risks papillomatosis, skin necrosis and edema exacerbation.
References
- ↑ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 978-0-7216-2921-6.
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