Conversion disorder, also known as Functional Neurological Symptom Disorder (FNSD), is a psychiatric condition in which patients experience genuine ...

Convergence Insufficiency (CI) is a common binocular vision disorder in which the eyes have difficulty turning inward together when looking at nearby objects. ...

Convergence ability refers to the coordinated inward movement of both eyes so that the visual axes intersect at a near point, allowing clear and single ...

Contact lens complications occur when the tissues of the eye react negatively to the presence or improper use of contact lenses. These reactions can range from ...

Conjunctivochalasis is an eye condition in which the conjunctiva—the clear membrane covering the white part of the eye—becomes loose and redundant, creating ...

Conjunctival telangiectasia is a condition characterized by the dilation of tiny blood vessels—typically measuring 0.5 to 1.0 mm in diameter—on the surface of ...

Conjunctival Reactive Lymphoid Hyperplasia (CRLH) is a benign lymphoproliferative disorder characterized by a polyclonal proliferation of lymphoid tissue in ...

Conjunctival papilloma is a benign (non‑cancerous) growth that arises from the surface cells of the conjunctiva, the thin, clear membrane covering the white ...

Conjunctival melanocytic tumors are abnormal growths of the pigment-producing cells (melanocytes) that reside in the thin, clear membrane covering the white of ...

Conjunctival lymphoma is a malignant tumor arising from the lymphoid tissue located in the conjunctiva, the thin membrane covering the white part of the eye ...

Conjunctival lymphangiectasia is an uncommon eye condition characterized by the visible swelling and dilation of lymphatic vessels within the conjunctiva—the ...

Conjunctival keloid is a rare, benign ocular condition characterized by the excessive growth of scar tissue on the conjunctiva, the clear membrane covering the ...

A conjunctival inclusion cyst is a benign, fluid‑filled sac that forms on the surface of the eye, specifically within the conjunctiva, the thin clear membrane ...

Mucinous tubular and spindle cell carcinoma (MTSCC) of the kidney is a rare subtype of renal cell carcinoma (RCC), accounting for less than 1% of all kidney ...

Thymic spindle cell carcinoma is a rare type of cancer that starts in the thymus, a small organ located in the front part of the chest behind the breastbone. ...

Esophageal carcinosarcoma, also known as spindle cell carcinoma of the esophagus, is a rare form of esophageal cancer characterized by a mixture of malignant ...

Pulmonary sarcomatoid carcinoma (PSC) is a rare and highly aggressive subtype of non‑small cell lung cancer (NSCLC) characterized by poorly differentiated ...

Metaplastic Spindle Cell Carcinoma of the breast is a rare and aggressive subtype of metaplastic breast carcinoma characterized by a predominant proliferation ...

Cutaneous Spindle Cell Carcinoma is a rare and aggressive form of skin cancer characterized by long, slender (spindle‑shaped) malignant cells that resemble ...

Spindle squamous cell carcinoma (SpSCC) is a rare and aggressive variant of conventional squamous cell carcinoma characterized by the presence of elongated, ...