Disease A-Z Library

Rx Cancer (A – Z)

Browse plain-English disease and condition guides, including symptoms, causes, diagnosis, treatment options, prevention, and when to seek medical care.

1,650 articlesUpdated medical education library

Diseases A-Z

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Disease A-Z Library

A WHO Grade III Oligodendroglial Tumor

A WHO grade III oligodendroglial tumor is a fast-growing brain tumor that starts from oligodendrocytes, the cells that make the myelin (insulation) around nerve fibers. In...

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Abdominal Cystic Lymphangioma

Abdominal cystic lymphangioma is a rare, non-cancerous growth made of abnormal lymphatic vessels that form one or more fluid-filled cysts inside the abdomen. The lymphatic system...

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Abducent Nucleus Cancer

Abducent nucleus cancer, also known as sixth cranial nerve nucleus cancer, is a rare condition where abnormal cells grow uncontrollably in the abducent nucleus, a part...

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Aberrant Basal Cell Carcinoma

Aberrant Basal Cell Carcinoma (BCC) is a type of skin cancer that typically originates in the basal cells of the skin’s outer layer. In this article,...

Abrikossoff’s Tumor

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Abrikossoff’s Tumor

Abrikossoff’s tumor, also known as granular cell tumor (GCT), is a rare type of soft tissue tumor that can develop in various parts of the body....

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Absolute Monocytopenia

Absolute monocytopenia means the number of monocytes in the blood is abnormally low, specifically below about 0.2 × 10⁹/L (or <200 cells/µL). Monocytes are a critical...

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Absolute Monocytosis

Absolute monocytosis means your blood has more monocytes than the normal upper limit when counted as an absolute number, not just a percentage. Monocytes are a...

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Acinar Cell Carcinoma

Acinar Cell Carcinoma (ACC) is a rare type of cancer that originates in the acinar cells of the pancreas. While it may sound complicated, we’re here...

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Ackerman Tumor

Ackerman tumor, also known as Ackerman syndrome or Ackerman’s tumor, is a rare medical condition that primarily affects the bones and soft tissues of the body....

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Acoustic Neuroma

Acoustic neuroma refers to a benign tumor that arises from the Schwann cells lining the vestibular nerve. This nerve is responsible for transmitting sound and assisting...

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Acoustic Schwannoma

An acoustic schwannoma is a benign (non-cancerous) tumor that grows from Schwann cells—the cells that wrap and protect the vestibular (balance) part of the eighth cranial...

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Acquired Alpha-thalassaemia in Myeloid Neoplasms

Acquired alpha-thalassaemia in myeloid neoplasms means a person who has a disease of the bone marrow (a blood-forming cancer or pre-cancer) suddenly develops a new problem...

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Granuloma Pyogenic – Causes, Symptoms, Treatment

Granuloma Pyogenic/Pyogenic Granuloma sometimes known as granuloma pyogenic, refers to a common, acquired, benign, vascular tumor that arises in tissues such as the skin and mucous...

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Pyogenic Granuloma – Causes, Symptoms, Treatment

Pyogenic Granuloma sometimes known as granuloma pyogenic, refers to a common, acquired, benign, vascular tumor that arises in tissues such as the skin and mucous membranes.[rx]...

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PHACE Syndrome – Causes, Symptoms, Diagnosis, Treatment

PHACE Syndrome is a rare disorder that affects multiple systems of the body. This disorder is characterized by an association of several different abnormalities that occur...

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Oral Hemangiomas – Causes, Symptoms, Treatment

Oral Hemangiomas (OHs) are benign tumors that develop due to endothelial cell proliferation and occur in and around the oral cavity. While 60 to 70 percent...

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Campbell de Morgan Spots – Symptoms, Treatment

Campbell de Morgan spots/Cherry hemangiomas are common benign cutaneous vascular proliferations. They are also known as cherry angiomas, adult hemangiomas, or senile angiomas as their number...

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Senile Angiomas – Causes, Symptoms, Treatment

Senile Angiomas/Cherry hemangiomas are common benign cutaneous vascular proliferations. They are also known as cherry angiomas, adult hemangiomas, or senile angiomas as their number tends to...

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Cherry Hemangiomas – Causes, Symptoms, Treatment

Cherry hemangiomas are common benign cutaneous vascular proliferations. They are also known as cherry angiomas, adult hemangiomas, or senile angiomas as their number tends to increase...

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Liver Hemangioma – Causes, Symptoms, Treatment

Liver Hemangiomas are benign, hypervascular, venous malformations that occur in the liver. They are the most common benign mesenchymal tumors of the liver. Hemangiomas are lined...

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Hepatic Hemangiomas – Causes, Symptoms, Treatment

Hepatic hemangiomas are benign, hypervascular, venous malformations that occur in the liver. They are the most common benign mesenchymal tumors of the liver. Hemangiomas are lined...

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Cavernous Hemangioma – Causes, Symptoms, Treatment

Cavernous Hemangioma are the most common benign liver tumors, and the liver is the internal organ most affected by hemangioma. Many patients are asymptomatic, but in others,...

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Vertebral Hemangioma – Causes, Symptoms, Treatment

Vertebral Hemangioma (VH) is a virtually vascular malformation, which is usually asymptomatic. Only 3.7 % of VH may become active and symptomatic, and 1 % may...

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Spinal Hemangioma – Causes, Symptoms, Treatment

Spinal Hemangiomas are the most common primary tumor of the spine. Usually benign, this lesion is of vascular origin and like hemangiomas in other parts of...

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Orbital Infantile Hemangioma – Causes, Symptoms, Treatment

Strawberry Hemangioma/Capillary hemangioma of infancy are the most common benign orbital neoplasms in children. Historically, they have been referred to by many names such as infantile hemangiomas,...

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Strawberry Hemangioma – Causes, Symptoms, Treatment

Strawberry Hemangioma/Capillary hemangioma of infancy are the most common benign orbital neoplasms in children. Historically, they have been referred to by many names such as infantile hemangiomas,...

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Hemangioma – Causes, Symptoms, Diagnosis, Treatment

Hemangioma also knew as hemangiomas of infancy or infantile hemangiomas (IH), are the most common benign tumor of infancy[rx]. They are often called “strawberry marks” due...

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Osteosarcoma and UPS of Bone – Diagnosis, Treatment,

Osteosarcoma and UPS of Bone/Osteosarcoma occurs predominantly in adolescents and young adults. Review of data from the National Cancer Institute’s Surveillance, Epidemiology, and End Results Program...

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Ewing’s Sarcoma – Causes, Symptoms, Treatment

Ewing’s Sarcoma is a type of cancer that may be a bone sarcoma or a soft-tissue sarcoma. Symptoms may include swelling and pain at the site of the tumor, fever, and bone...

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CNS (Central Nervous System) Cancer

CNS (Central Nervous System) Cancer/CNS lymphoma is a disease in which malignant (cancer) cells form in the lymph tissue of the brain and/or spinal cord. Lymphoma...

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CNS Lymphoma – Causes, Symptoms, Treatment

CNS lymphoma is a disease in which malignant (cancer) cells form in the lymph tissue of the brain and/or spinal cord. Lymphoma is a disease in...

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Primary Central Nervous System (CNS) Lymphoma

Primary central nervous system (CNS) lymphoma is a disease in which malignant (cancer) cells form in the lymph tissue of the brain and/or spinal cord. Lymphoma...