Hypophysitis is an inflammation of the pituitary gland and is a rare cause of hypopituitarism.
It can be primary (idiopathic) or secondary to sella and parasellar lesions, systemic …

Context: Hypophysitis is a chronic inflammation of the pituitary gland that comprises an
increasingly complex clinicopathological spectrum. Within this spectrum, lymphocytic and …

The Atlas of Tumor Pathology has a long and distinguished history. It was first conceived at a
Cancer Research Meeting held in St. Louis in September 1947 as an attempt to standardize …

Immunoglobulin (Ig) G4–related systemic disease is a recently characterized entity. The best-
known manifestation is pancreatitis. Other systemic involvements are also described. Three …

Inflammatory pseudotumor (IP) is a nonneoplastic, reactive inflammatory process, of
unknown etiology, characterized by a proliferation of connective tissue with an inflammatory …

A 62-year-old woman presented with general malaise persisting for 2 months and narrowing
of her visual field. T1-weighted magnetic resonance (MR) imaging showed swelling of the …

We describe a hitherto undocumented variant of dimorphic pituitary neoplasm composed of
an admixture of neurosecretory cells and profuse leiomyomatous stroma around …

Inflammatory pseudotumors (IP) are non‐neoplastic lesions characterized by collagenous
stroma and polyclonal mononuclear infiltrates. It is best characterized in the lung, but can …

Abstract Background Inflammatory pseudotumors (IPTs) are rare benign conditions of
unknown etiology that can affect any part of the body. IPTs are most commonly associated …

A 38-year-old man was admitted to our hospital with diplopia. The patient had a relatively
well-defined pituitary mass with high cellularity as well as weaker enhancement on imaging …