BACKGROUND: The gross appearance and cytologic findings in synovial fluid intuberculous infections are similar to those in other types of chronic synovial effusion.Demonstration of acid-fast bacilli (AFB) is required for a definitive diagnosis of tuberculouseffusion; it is reported in only 20% of cases. (more…)
BACKGROUND: Small-cell carcinoma (SCC) of the cervix is an uncommon member ofthe neuroendocrine group of cervical carcinomas that is frequently intermixed with a non-SCCcomponent in the form of an adenocarcinoma (ADC) or squamous carcinoma. (more…)
BACKGROUND: Small-cell carcinoma (SCC) of the cervix is an uncommon member ofthe neuroendocrine group of cervical carcinomas that is frequently intermixed with a non-SCCcomponent in the form of an adenocarcinoma (ADC) or squamous carcinoma. (more…)
BACKGROUND: Synovial fluid (SF) analysis is a useful investigative procedurein the evaluation of various types of arthritides, including gouty arthritis. Rarely, goutyarthritis may present with effusion containing thick, milky white fluid. (more…)
BACKGROUND: Pilomatrixoma (pilomatrixoma, calcifying epithelioma of Malherbe)is a relatively uncommon, benign neoplasm arising from the skin adnexa. The tumor can causediagnostic difficulty not only for the clinician but also for the cytologist. (more…)
BACKGROUND: Rosai-Dorfman disease, or sinus histiocytosis with massivelymphadenopathy (SHML), is a rare, nonhereditary, benign histiocytic proliferative disorder,affecting mainly the lymph nodes. Orbital involvement in the absence of lymphadenopathy isrelatively uncommon. CASE: (more…)
BACKGROUND: Lymphangioleiomyomatosis (LAM) is a rare disease occurring almostexclusively in females of reproductive age. Patients usually present with insidious and progressivedyspnea. Episodes of hemoptysis, pneumothorax, and chylothorax may occur, and the patientprogresses to eventual respiratory failure and death. (more…)
BACKGROUND: Psammoma bodies (PBs) are an unusual finding in cervical cytologypreparations. They have been identified in association with a wide range of benign and malignantconditions within the female genital tract. Portents of a significant underlying pathology includetheir occurrence in postmenopausal patients, the presence of unexplained vaginal bleeding and theiroccurrence in association with atypical cells. (more…)
